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317f86dc |
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06-Mar-2024 |
Douglas Anderson <dianders@chromium.org> |
Revert "drm/udl: Add ARGB8888 as a format" This reverts commit 95bf25bb9ed5dedb7fb39f76489f7d6843ab0475. Apparently there was a previous discussion about emulation of formats and it was decided XRGB8888 was the only format to support for legacy userspace [1]. Remove ARGB8888. Userspace needs to be fixed to accept XRGB8888. [1] https://lore.kernel.org/r/60dc7697-d7a0-4bf4-a22e-32f1bbb792c2@suse.de Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240306063721.1.I4a32475190334e1fa4eef4700ecd2787a43c94b5@changeid
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95bf25bb |
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27-Feb-2024 |
Douglas Anderson <dianders@chromium.org> |
drm/udl: Add ARGB8888 as a format Even though the UDL driver converts to RGB565 internally (see pixel32_to_be16() in udl_transfer.c), it advertises XRGB8888 for compatibility. Let's add ARGB8888 to that list. This makes UDL devices work on ChromeOS again after commit c91acda3a380 ("drm/gem: Check for valid formats"). Prior to that commit things were "working" because we'd silently treat the ARGB8888 that ChromeOS wanted as XRGB8888. Fixes: c91acda3a380 ("drm/gem: Check for valid formats") Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240227141928.1.I24ac8d51544e4624b7e9d438d95880c4283e611b@changeid
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a0fce84c |
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04-Dec-2023 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/plane-helper: Move drm_plane_helper_atomic_check() into udl The udl driver is the only caller of drm_plane_helper_atomic_check(). Move the function into the driver. No functional changes. v2: * fix documenation (Sui) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Sui Jingfeng <suijingfeng@loongson.cn> Link: https://patchwork.freedesktop.org/patch/msgid/20231204090852.1650-2-tzimmermann@suse.de
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48c5c68f |
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17-Jul-2023 |
Geert Uytterhoeven <geert+renesas@glider.be> |
drm/udl: Convert to drm_crtc_helper_atomic_check() Use the drm_crtc_helper_atomic_check() helper instead of open-coding the same operation. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sui Jingfeng <suijingfeng@loongson.cn> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/dcb09c0c7bed1baee39a72caba098a399ce7f063.1689599767.git.geert+renesas@glider.be
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a47171f0 |
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16-Jan-2023 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Remove unnecessary include statements for drm_crtc_helper.h Several source files include drm_crtc_helper.h without needing it or only to get its transitive include statements; leading to unnecessary compile-time dependencies. Directly include required headers and drop drm_crtc_helper.h where possible. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230116131235.18917-21-tzimmermann@suse.de
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8f2fd57d |
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07-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/atomic-helper: Replace drm_atomic_helper_check_crtc_state() Rename the atomic helper function drm_atomic_helper_check_crtc_state() to drm_atomic_helper_check_crtc_primary_plane() and only check for an attached primary plane. Adapt callers. Instead of having one big function to check for various CRTC state conditions, we rather want smaller functions that drivers can pick individually. v5: * rebase on top of udl changes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221007124338.24152-3-tzimmermann@suse.de
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1b8db07f |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Add constants for commands Add constants for the various commands that the driver can send to the device and update the respective helper functions. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-17-tzimmermann@suse.de
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44f29ad9 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Add register constants for framebuffer scanout addresses Add register constants for the framebuffer scanout addresses and update the related helper functions. No functional changes. v2: * extract address bytes with helper macros (Javier) * fix comments Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-16-tzimmermann@suse.de
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cb7b995d |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Add register constants for video locks Add register constants for the video lock. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-15-tzimmermann@suse.de
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ed24ed48 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Add register constants for color depth Add the register constants for setting the color depth. The driver only uses 16bpp. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-14-tzimmermann@suse.de
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9869e40d |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Add constants for display-mode registers Add constants for the registers the contain various display-mode parameters and update the mode-setting function. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-13-tzimmermann@suse.de
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ff76e82c |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Move register constants to udl_proto.h Move the existing register constants to a new file in preparation of adding more of them. Renaming is intentional. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-12-tzimmermann@suse.de
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fcc21447 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Use damage iterator Use a damage iterator to process damage areas individually. Merging damage areas can result in large updates of unchanged framebuffer regions. As USB is rather slow, it's better to process damage areas individually and hence minimize USB-transfered data. As part of the change, move drm_gem_fb_{begin,end}_cpu_access() into the plane's atomic_update helper. To avoid overhead and intermediate writers, we want to synchronize buffers and reserve access only once before copying damage areas of the framebuffer. v2: * clarify commit message (Javier) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-11-tzimmermann@suse.de
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ca2bd373 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Support DRM hot-unplugging Add drm_dev_enter() and drm_dev_exit() to the various modesetting functions that interact with the device. After hot-unplugging the device, these functions will return early. So far, the udl driver relied on USB interfaces to handle unplugging of the device. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-10-tzimmermann@suse.de
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890e4de8 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Simplify modesetting in CRTC's enable function Inline a modesetting helper in the CRTC's enable function. Build the command set directly in the USB URB's buffer and drop an intermediate buffer. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-9-tzimmermann@suse.de
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72d73dd3 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Convert to atomic-modesetting helpers Replace simple-KMS helpers with regular atomic-modesetting helpers. The simple-KMS helpers introduce a mid-layer abstraction without added functionality. Using regular atomic helpers makes the driver's implementation more discoverable and simplifies code sharing. The conversion effectively open-codes the simple-KMS functions and data structure within udl. No functional changes. v2: * don't use the atomic_disable plane helper Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-8-tzimmermann@suse.de
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efaa418f |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Remove udl_simple_display_pipe_mode_valid() Remove the empty function udl_simple_display_pipe_mode_valid() and let simple-KMS helpers accept the modes. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-7-tzimmermann@suse.de
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0862cfd3 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Move connector to modesetting code Move the connector next to the rest of the modesetting code. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-6-tzimmermann@suse.de
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c020f660 |
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06-Oct-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Test pixel limit in mode-config's mode-valid function The sku_pixel_limit is a per-device property, similar to the amount of available video memory. Move the respective mode-valid test from the connector to the mode-config structure. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221006095355.23579-3-tzimmermann@suse.de
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fa47573b |
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08-Sep-2022 |
Takashi Iwai <tiwai@suse.de> |
drm/udl: Sync pending URBs at the end of suspend It's better to perform the sync at the very last of the suspend instead of the pipe-disable function, so that we can catch all pending URBs (if any). While we're at it, drop the error code from udl_sync_pending_urb() since we basically ignore it; instead, give a clear error message indicating a problem. Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-13-tiwai@suse.de
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b13fa27a |
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08-Sep-2022 |
Takashi Iwai <tiwai@suse.de> |
drm/udl: Pass rectangle directly to udl_handle_damage() Just for some code simplification. Suggested-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/87tu5iauw4.wl-tiwai@suse.de
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aeb76f97 |
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08-Sep-2022 |
Takashi Iwai <tiwai@suse.de> |
drm/udl: Drop unneeded alignment The alignment of damaged area was needed for the original udlfb driver that tried to trim the superfluous copies between front and backend buffers and handle data in long int. It's not the case for udl DRM driver, hence we can omit the whole unneeded alignment, as well as the dead code. Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-8-tiwai@suse.de
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ed9605a6 |
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08-Sep-2022 |
Takashi Iwai <tiwai@suse.de> |
Revert "drm/udl: Kill pending URBs at suspend and disconnect" This reverts the recent fix commit e25d5954264d ("drm/udl: Kill pending URBs at suspend and disconnect") as it turned out to lead to potential hangup at a disconnection, and it doesn't help much for suspend/resume problem, either. Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-5-tiwai@suse.de
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0a80005d |
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08-Sep-2022 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Enable damage clipping Call drm_plane_enable_fb_damage_clips() and give userspace a chance of minimizing the updated display area. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-4-tiwai@suse.de
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6d6e7328 |
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08-Sep-2022 |
Takashi Iwai <tiwai@suse.de> |
drm/udl: Restore display mode on resume Restore the display mode whne resuming from suspend. Currently, the display remains dark. On resume, the CRTC's mode does not change, but the 'active' flag changes to 'true'. Taking this into account when considering a mode switch restores the display mode. The bug is reproducable by using Gnome with udl and observing the adapter's suspend/resume behavior. Actually, the whole check added in udl_simple_display_pipe_enable() about the crtc_state->mode_changed was bogus. We should drop the whole check and always apply the mode change in this function. [ tiwai -- Drop the mode_changed check entirely instead, per Daniel's suggestion ] Fixes: 997d33c35618 ("drm/udl: Inline DPMS code into CRTC enable and disable functions") Cc: <stable@vger.kernel.org> Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-2-tiwai@suse.de
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e25d5954 |
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04-Aug-2022 |
Takashi Iwai <tiwai@suse.de> |
drm/udl: Kill pending URBs at suspend and disconnect At both suspend and disconnect, we should rather cancel the pending URBs immediately. For the suspend case, the display will be turned off, so it makes no sense to process the rendering. And for the disconnect case, the device may be no longer accessible, hence we shouldn't do any submission. Tested-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220804075826.27036-4-tiwai@suse.de
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0f7dc324 |
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04-Aug-2022 |
Takashi Iwai <tiwai@suse.de> |
drm/udl: Sync pending URBs at suspend / disconnect We need to wait for finishing to process the all URBs after disabling the pipe; otherwise pending URBs may stray at suspend/resume, leading to a possible memory corruption in a worst case. Tested-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220804075826.27036-3-tiwai@suse.de
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7938f421 |
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04-Feb-2022 |
Lucas De Marchi <lucas.demarchi@intel.com> |
dma-buf-map: Rename to iosys-map Rename struct dma_buf_map to struct iosys_map and corresponding APIs. Over time dma-buf-map grew up to more functionality than the one used by dma-buf: in fact it's just a shim layer to abstract system memory, that can be accessed via regular load and store, from IO memory that needs to be acessed via arch helpers. The idea is to extend this API so it can fulfill other needs, internal to a single driver. Example: in the i915 driver it's desired to share the implementation for integrated graphics, which uses mostly system memory, with discrete graphics, which may need to access IO memory. The conversion was mostly done with the following semantic patch: @r1@ @@ - struct dma_buf_map + struct iosys_map @r2@ @@ ( - DMA_BUF_MAP_INIT_VADDR + IOSYS_MAP_INIT_VADDR | - dma_buf_map_set_vaddr + iosys_map_set_vaddr | - dma_buf_map_set_vaddr_iomem + iosys_map_set_vaddr_iomem | - dma_buf_map_is_equal + iosys_map_is_equal | - dma_buf_map_is_null + iosys_map_is_null | - dma_buf_map_is_set + iosys_map_is_set | - dma_buf_map_clear + iosys_map_clear | - dma_buf_map_memcpy_to + iosys_map_memcpy_to | - dma_buf_map_incr + iosys_map_incr ) @@ @@ - #include <linux/dma-buf-map.h> + #include <linux/iosys-map.h> Then some files had their includes adjusted and some comments were update to remove mentions to dma-buf-map. Since this is not specific to dma-buf anymore, move the documentation to the "Bus-Independent Device Accesses" section. v2: - Squash patches v3: - Fix wrong removal of dma-buf.h from MAINTAINERS - Move documentation from dma-buf.rst to device-io.rst v4: - Change documentation title and level Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220204170541.829227-1-lucas.demarchi@intel.com
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e5cf6fd4 |
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03-Aug-2021 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Use offset-adjusted shadow-plane mapping For framebuffers with non-zero offset fields, shadow-plane helpers provide a pointer to the first byte of the contained data. Use it in udl. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-10-tzimmermann@suse.de
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ce724470 |
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16-Jul-2021 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Use framebuffer dma-buf helpers Replace dma_buf_begin_cpu_access() with drm_gem_fb_begin_cpu_access(); same for _end_cpu_access(). Remove some boiler-plate code. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20210716140801.1215-3-tzimmermann@suse.de
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5ceeb328 |
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07-Feb-2021 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Move vmap out of commit tail Vmap operations may acquire the dmabuf reservation lock, which is not allowed within atomic commit-tail functions. Therefore move vmap and vunmap from the damage handler into prepare_fb and cleanup_fb callbacks. The mapping is provided as GEM shadow-buffered plane. The functions in the commit tail use the pre-established mapping for damage handling. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210208115538.6430-8-tzimmermann@suse.de
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a7319c8f |
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13-Nov-2020 |
Dan Carpenter <dan.carpenter@oracle.com> |
drm/udl: Fix missing error code in udl_handle_damage() If udl_get_urb() fails then this should return a negative error code but currently it returns success. Fixes: 798ce3fe1c3a ("drm/udl: Begin/end access to imported buffers in damage-handler") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20201113101502.GD168908@mwanda
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49a3f51d |
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03-Nov-2020 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends This patch replaces the vmap/vunmap's use of raw pointers in GEM object functions with instances of struct dma_buf_map. GEM backends are converted as well. For most of them, this simply changes the returned type. TTM-based drivers now return information about the location of the memory, either system or I/O memory. GEM VRAM helpers and qxl now use ttm_bo_vmap() et al. Amdgpu, nouveau and radeon use drm_gem_ttm_vmap() et al instead of implementing their own vmap callbacks. v7: * init QXL cursor to mapped BO buffer (kernel test robot) v5: * update vkms after switch to shmem v4: * use ttm_bo_vmap(), drm_gem_ttm_vmap(), et al. (Daniel, Christian) * fix a trailing { in drm_gem_vmap() * remove several empty functions instead of converting them (Daniel) * comment uses of raw pointers with a TODO (Daniel) * TODO list: convert more helpers to use struct dma_buf_map Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Christian König <christian.koenig@amd.com> Tested-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-7-tzimmermann@suse.de
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b173bfe2 |
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30-Apr-2020 |
Zou Wei <zou_wei@huawei.com> |
drm/udl: Make udl_handle_damage static Fix the following sparse warning: drivers/gpu/drm/udl/udl_modeset.c:269:5: warning: symbol 'udl_handle_damage' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zou Wei <zou_wei@huawei.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/1588248797-70568-1-git-send-email-zou_wei@huawei.com
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6ae355a2 |
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15-Apr-2020 |
Daniel Vetter <daniel.vetter@ffwll.ch> |
drm/udl: don't set drm_device->dev_private We're mostly there already, just a handful of places that didn't use the to_udl container_of cast. To make sure no new appear, don't set ->dev_private. Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Sean Paul <sean@poorly.run> Cc: Emil Velikov <emil.l.velikov@gmail.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Alexios Zavras <alexios.zavras@intel.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "José Roberto de Souza" <jose.souza@intel.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Allison Randal <allison@lohutok.net> Link: https://patchwork.freedesktop.org/patch/msgid/20200415074034.175360-13-daniel.vetter@ffwll.ch
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fe5b7c86 |
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23-Mar-2020 |
Daniel Vetter <daniel.vetter@ffwll.ch> |
drm/udl: Drop explicit drm_mode_config_cleanup call It's right above the drm_dev_put(). This allows us to delete a bit of onion unwinding in udl_modeset_init(). This is made possible by a preceeding patch which added a drmm_ cleanup action to drm_mode_config_init(), hence all we need to do to ensure that drm_mode_config_cleanup() is run on final drm_device cleanup is check the new error code for _init(). v2: Explain why this cleanup is possible (Laurent). v3: Use drmm_mode_config_init() for more clarity (Sam, Thomas) Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Sean Paul <sean@poorly.run> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Emil Velikov <emil.l.velikov@gmail.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: "Noralf Trønnes" <noralf@tronnes.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200323144950.3018436-50-daniel.vetter@ffwll.ch
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a7bbabd9 |
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29-Jan-2020 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Don't set struct drm_crtc_state.no_vblank explicitly As udl does not initialize vblanking, atomic helpers initialize the value of struct drm_crtc_state.no_vblank to be true. No need to set it from within the driver. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200129120531.6891-13-tzimmermann@suse.de
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a8109f5b |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Move udl_handle_damage() into udl_modeset.c The only caller of udl_handle_damage() in the plane-update function in udl_modeset.c. Move udl_handle_damage() there. v2: * remove udl_fb.c in a separate patch Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-9-tzimmermann@suse.de
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eb3deece |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Remove struct udl_device.active_fb_16 The udl driver stores the currently active framebuffer to know from where to accept damage updates. With the conversion to plane-state damage handling, this is not necessary any longer. The currently active framebuffer and damaged area are always stored in the plane state. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-8-tzimmermann@suse.de
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230b8b04 |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Convert to drm_atomic_helper_dirtyfb() The infrastruture for atomic modesetting allows us to use the generic code for dirty-FB and damage handling. Switch over udl and remove the driver's implementation. The simple-pipe's update function now picks up the primary plane's damage and updates a minimal region of the screen. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-7-tzimmermann@suse.de
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d8177841 |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Set preferred color depth to 16 bpp The current default color depth of 24 bpp is not even supported by the driver. Being the native format for communicating with the adapter, 16 bpp is the correct choice. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-6-tzimmermann@suse.de
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997d33c3 |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Inline DPMS code into CRTC enable and disable functions DPMS functionality is only used by the CRTC's enable and disable functions. Inline the code. The patch also adds symbolic constants for the blank register and constants; according to udlfb, which is a bit more detailed than DRM's udl. v3: * use symbolic constants for blank, according to udlfb driver Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-5-tzimmermann@suse.de
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ae08b88a |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Switch to atomic suspend/resume helpers We can use the generic suspend/resume helpers for atomic modesetting. Switch udl over. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-4-tzimmermann@suse.de
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9fda81e0 |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Convert to struct drm_simple_display_pipe Udl has a single display pipeline with a primary plane; perfect for simple-pipe helpers. Convert it over. The old encoder and CRTC code becomes unused and obsolete. Exported formats for the primary plane are RGB565 and XRGB8888, with the latter being emulated. The 16-bit format is the default and what is used when communicating with the device. This patch enables atomic modesetting for udl devices. v3: * remove unused field crtc from struct udl_device * set crtc_state->no_vblank at beginning of enable() v2: * move suspend/resume changes into separate patch * remove non-atomic code Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-3-tzimmermann@suse.de
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e829cf0b |
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10-Dec-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Init connector before encoder and CRTC To mimic simple-pipe, we initialize the connector before the rest of the display pipeline. v2: * remove unnecessary calls to drm_connector_{register,unregister}() Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191210084905.5570-2-tzimmermann@suse.de
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83446035 |
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14-Nov-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Call udl_handle_damage() with DRM framebuffer Simplifying the udl code before replacing struct udl_framebuffer. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191114141025.32198-5-tzimmermann@suse.de
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ba59b015 |
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14-Nov-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Store active framebuffer in device structure The framebuffer's 'active_16' flag signals which framebuffer to flush to device memory. Moving the 'active_16' state from struct udl_framebuffer into struct udl_device prepares for using the generic GEM framebuffer. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191114141025.32198-4-tzimmermann@suse.de
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d0c4fc5a |
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14-Nov-2019 |
Thomas Zimmermann <tzimmermann@suse.de> |
drm/udl: Replace fbdev code with generic emulation The udl driver can use the generic fbdev implementation. Convert it. v5: * initialize console after registering device v4: * hardcode console bpp to 16 v3: * remove module parameter fb_bpp in favor of fbdev's video * call drm_fbdev_generic_setup() directly; remove udl_fbdev_init() * use default for struct drm_mode_config_funcs.output_poll_changed * use default for struct drm_driver.lastclose Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Noralf Trønnes <noralf@tronnes.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191114125106.28347-2-tzimmermann@suse.de
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a9dcf380 |
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16-Jul-2019 |
Sam Ravnborg <sam@ravnborg.org> |
drm/udl: drop use of drmP.h The drmP.h header file is deprecated. Drop it from all files in the udl driver. Made the header files self contained, which then made it simpler to update the .c files. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: Sean Paul <sean@poorly.run> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Robert Tarasov <tutankhamen@chromium.org> Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: "Noralf Trønnes" <noralf@tronnes.org> Cc: Eric Anholt <eric@anholt.net> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Emil Lundmark <lndmrk@chromium.org> Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190716064220.18157-9-sam@ravnborg.org
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12eb90f1 |
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29-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 262 Based on 1 normalized pattern(s): this file is subject to the terms and conditions of the gnu general public license v2 see the file copying in the main directory of this archive for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 11 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141333.582369016@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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90991209 |
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03-Jun-2018 |
Mikulas Patocka <mpatocka@redhat.com> |
udl-kms: dont spam the syslog with debug messages The udl kms driver writes messages to the syslog whenever some application opens or closes /dev/fb0 and whenever the user switches between the Xserver and the console. This patch changes the priority of these messages to debug. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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c2f53119 |
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03-Jun-2018 |
Mikulas Patocka <mpatocka@redhat.com> |
udl-kms: use spin_lock_irq instead of spin_lock_irqsave spin_lock_irqsave and spin_unlock_irqrestore is inteded to be called from a context where it is unknown if interrupts are enabled or disabled (such as interrupt handlers). From a process context, we should call spin_lock_irq and spin_unlock_irq, that avoids the costly pushf and popf instructions. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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41292b1f |
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22-Mar-2017 |
Daniel Vetter <daniel.vetter@ffwll.ch> |
drm: Add acquire ctx parameter to ->page_flip(_target) Again just going through the motions, no functional changes in here. Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Eric Anholt <eric@anholt.net> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>t Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-12-daniel.vetter@ffwll.ch
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737ba109 |
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30-Aug-2016 |
Haixia Shi <hshi@chromium.org> |
drm/udl: implement usb_driver suspend/resume. The usb_driver suspend and resume function pointers must be populated to prevent forced unbinding of USB interface driver. See usb/core/driver.c: unbind_no_pm_drivers_interfaces(). Restore mode and damage the entire frame buffer upon resume. TEST=suspend and resume with the same UDL device connected TEST=suspend with UDL, unplug UDL and resume TEST=suspend with UDL, unplug and connect another UDL device then resume Signed-off-by: Haixia Shi <hshi@chromium.org> Reviewed-by: Stéphane Marchesin <marcheu@chromium.org> [seanpaul fixed checkpatch warnings and gave marcheu his é back] Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1472593821-38429-2-git-send-email-hshi@chromium.org
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6ab10b76 |
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12-Aug-2016 |
Daniel Vetter <daniel.vetter@ffwll.ch> |
drm/kms: Nuke dirty_info property It was added way back together with the dirty_fb ioctl, but neither generic xfree86-modesetting nor the vmware driver use it. Everyone is supposed to just unconditionally call the dirtyfb when they do frontbuffer rendering. And since unused uabi is bad uabi (there's reasons we require open source userspace for everything) let's nuke this. For reference see commit 884840aa3ce3214259e69557be5b4ce0d781ffa4 Author: Jakob Bornecrantz <jakob@vmware.com> Date: Thu Dec 3 23:25:47 2009 +0000 drm: Add dirty ioctl and property Cc: Jakob Bornecrantz <jakob@vmware.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Sinclair Yeh <syeh@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Acked-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1471034937-651-9-git-send-email-daniel.vetter@ffwll.ch
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06413e4b |
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06-Jun-2016 |
Gustavo Padovan <gustavo.padovan@collabora.co.uk> |
drm/udl: use drm_crtc_send_vblank_event() Replace the legacy drm_send_vblank_event() with the new helper function. Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1465224105-21485-5-git-send-email-gustavo@padovan.org
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1323963f |
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16-Feb-2016 |
Carlos Palminha <CARLOS.PALMINHA@synopsys.com> |
drm/udl: removed optional dummy crtc mode_fixup function. This patch set nukes all the dummy crtc mode_fixup implementations. (made on top of Daniel topic/drm-misc branch) Signed-off-by: Carlos Palminha <palminha@synopsys.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/11327d1a3c3b6623064f6d82efa96e7993f77f38.1455630967.git.palminha@synopsys.com
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a942d739 |
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14-Dec-2015 |
Ville Syrjälä <ville.syrjala@linux.intel.com> |
drm/udl: Constify function pointer structs Moves a bunch of junk to .rodata from .data. drivers/gpu/drm/udl/udl.ko: -.text 11336 +.text 11332 -.rodata 560 +.rodata 684 -.data 696 +.data 572 Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Link: http://patchwork.freedesktop.org/patch/msgid/1450178476-26284-27-git-send-email-boris.brezillon@free-electrons.com Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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6c3912d6 |
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30-Jan-2015 |
Haixia Shi <hshi@chromium.org> |
drm/udl: properly set active_16 flag in udl_crtc_page_flip(). (v2) When page flipping, we need to mark the new fb as active and unmark the active flag for the old fb (if different). Signed-off-by: Haixia Shi <hshi@chromium.org> Reviewed-by: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Dave Airlie <airlied@gmail.com>
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3cb9ae4f |
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29-Oct-2014 |
Daniel Vetter <daniel.vetter@ffwll.ch> |
drm: Move drm_crtc_init from drm_crtc.h to drm_plane_helper.h Just a bit of OCD cleanup on headers - this function isn't the core interface any more but just a helper for drivers who haven't yet transitioned to universal planes. Put the declaration at the right spot and sprinkle necessary #includes over all drivers. Maybe this helps to encourage driver maintainers to do the switch. v2: Fix #include ordering for tegra, reported by 0-day builder. v3: Include required headers, reported by Thierry. Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Thierry Reding <treding@nvidia.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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40377ef2 |
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02-Jul-2014 |
Stéphane Marchesin <marcheu@chromium.org> |
drm/udl: Implement page_flip ioctl This is a very crude page_flip implementation for UDL. There are ways to make it better (make it asynchronous, make it do actual vsynced flips...) but that's for another patch. [airlied: fixup primary change] Signed-off-by: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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f4510a27 |
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01-Apr-2014 |
Matt Roper <matthew.d.roper@intel.com> |
drm: Replace crtc fb with primary plane fb (v3) Now that CRTC's have a primary plane, there's no need to track the framebuffer in the CRTC. Replace all references to the CRTC fb with the primary plane's fb. This patch was generated by the Coccinelle semantic patching tool using the following rules: @@ struct drm_crtc C; @@ - (C).fb + C.primary->fb @@ struct drm_crtc *C; @@ - (C)->fb + C->primary->fb v3: Generate patch via coccinelle. Actual removal of crtc->fb has been moved to a subsequent patch. v2: Fixup several lingering crtc->fb instances that were missed in the first patch iteration. [Rob Clark] Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Rob Clark <robdclark@gmail.com>
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fb85ac4d |
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27-May-2013 |
Ville Syrjälä <ville.syrjala@linux.intel.com> |
drm: Drop all the stub gamma_get, gamma_set, load_lut functions from drivers Many of the drivers didn't implement palette/gamma handling, but were forced to provide stubs for the hooks to avoid drm_fb_helper from oopsing. Now that the hooks are optional, we can eliminate all the stubs. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@gmail.com>
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760285e7 |
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02-Oct-2012 |
David Howells <dhowells@redhat.com> |
UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/ Convert #include "..." to #include <path/...> in drivers/gpu/. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Dave Airlie <airlied@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
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8d42a919 |
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22-Sep-2012 |
Sachin Kamat <sachin.kamat@linaro.org> |
drm/udl: Make udl_crtc_init() static Fixes the following sparse warning: drivers/gpu/drm/udl/udl_modeset.c:394:5: warning: symbol 'udl_crtc_init' was not declared. Should it be static? Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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d5c2c20e |
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16-Aug-2012 |
Dave Airlie <airlied@redhat.com> |
drm/udl: dpms off the crtc when disabled. This turns off the crtc when its been disabled, fixes it not turning off properly the whole time. Signed-off-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
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5bd42f69 |
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26-Jun-2012 |
Dave Airlie <airlied@redhat.com> |
drm/udl: port over blanking code from udlfb. This ports over the dpms code from udlfb, and should mean a better chance of turning on some udl devices. Signed-off-by: Dave Airlie <airlied@redhat.com>
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e811f5ae |
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17-Jul-2012 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
drm: Make the .mode_fixup() operations mode argument a const pointer The passed mode must not be modified by the operation, make it const. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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e6ecefaa |
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17-May-2012 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
drm: Constify drm_mode_config_funcs pointer The DRM mode config functions structure declared by drivers and pointed to by the drm_mode_config funcs field is never modified. Make it a const pointer. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Inki Dae <inki.dae@samsung.com> Cc: Alan Cox <alan@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Rob Clark <rob.clark@linaro.org> Reviwed-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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5320918b |
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14-Dec-2010 |
Dave Airlie <airlied@gmail.com> |
drm/udl: initial UDL driver (v4) This is an initial drm/kms driver for the displaylink devices. Supports fb_defio, supports KMS dumb interface supports 24bpp via conversion to 16bpp, hw can do this better. supports hot unplug using new drm core features. On an unplug, it disables connector polling, unplugs connectors from sysfs, unplugs fbdev layer (using Kay's API), drops all the USB device URBs, and call the drm core to unplug the device. This driver is based in large parts on udlfb.c so I've licensed it under GPLv2. Signed-off-by: Dave Airlie <airlied@redhat.com>
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