#
9d1870a7 |
|
02-Aug-2023 |
Qingqing Zhuo <Qingqing.Zhuo@amd.com> |
drm/amd/display: Update DCE for DCN35 support [Why & How] Update DCE files for DCN35 usage. Signed-off-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
452c76df |
|
25-May-2021 |
Charlene Liu <Charlene.Liu@amd.com> |
drm/amd/display: get refclk from MICROSECOND_TIME_BASE_DIV HW register [why] recent VBIOS dce_infotable reference clock change caused a I2c regression. instead of relying on vbios, let's get it from HW directly. Signed-off-by: Charlene Liu <Charlene.Liu@amd.com> Reviewed-by: Chris Park <Chris.Park@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Bindu Ramamurthy <bindu.r@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
af435e3f |
|
27-Oct-2020 |
Jacky Liao <ziyu.liao@amd.com> |
drm/amd/display: Add I2C memory low power support [Why] The I2C memory blocks should be powered down when they are not in use. This will reduce power consumption. [How] 1. Write to I2C_LIGHT_SLEEP_FORCE to put memory in light sleep when released 2. Added a debug option to allow this behaviour to be turned off Signed-off-by: Jacky Liao <ziyu.liao@amd.com> Acked-by: Bindu Ramamurthy <bindu.r@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
09f6dd6e |
|
13-Jan-2020 |
Lewis Huang <Lewis.Huang@amd.com> |
drm/amd/display: init hw i2c speed [Why] Driver didn't init hw i2c speed cause hdcp hw cannot send command, because the default value of speed register is 0x2. [How] Restore the default speed when release i2c engine Signed-off-by: Lewis Huang <Lewis.Huang@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
1da37801 |
|
06-Nov-2019 |
Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> |
drm/amd/display: Drop CONFIG_DRM_AMD_DC_DCN2_0 and DSC_SUPPORTED [Why] DCN2 and DSC are stable enough to be build by default. So drop the flags. [How] Remove them using the unifdef tool. The following commands were executed in sequence: $ find -name '*.c' -exec unifdef -m -DCONFIG_DRM_AMD_DC_DSC_SUPPORT -DCONFIG_DRM_AMD_DC_DCN2_0 -UCONFIG_TRIM_DRM_AMD_DC_DCN2_0 '{}' ';' $ find -name '*.h' -exec unifdef -m -DCONFIG_DRM_AMD_DC_DSC_SUPPORT -DCONFIG_DRM_AMD_DC_DCN2_0 -UCONFIG_TRIM_DRM_AMD_DC_DCN2_0 '{}' ';' In addition: * Remove from kconfig, and replace any dependencies with DCN1_0. * Remove from any makefiles. * Fix and cleanup NV defninitions in dal_asic_id.h * Expand DCN1 ifdef to include DCN2 code in the following files: * clk_mgr/clk_mgr.c: dc_clk_mgr_create() * core/dc_resources.c: dc_create_resource_pool() * dce/dce_dmcu.c: dcn20_*lock_phy() * dce/dce_dmcu.c: dcn20_funcs * dce/dce_dmcu.c: dcn20_dmcu_create() * gpio/hw_factory.c: dal_hw_factory_init() * gpio/hw_translate.c: dal_hw_translate_init() Signed-off-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
38e71289 |
|
07-May-2019 |
Harry Wentland <harry.wentland@amd.com> |
drm/amd/display: add AUX and I2C for DCN2 Adding support to program DCN2 AUX and I2C HW. Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
f0922004 |
|
22-May-2019 |
Derek Lai <Derek.Lai@amd.com> |
drm/amd/display: add i2c_hw_Status check to make sure as HW I2c in use 1. Add i2c_hw_Status check to make sure when HW i2c is in use. 2. Don't reset HW engine in is_hw_busy() and instead do this in process_transaction() because SW i2c does not check if hw i2c is in use Signed-off-by: Derek Lai <Derek.Lai@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
f5ce9f3c |
|
15-Apr-2019 |
Charlene Liu <charlene.liu@amd.com> |
drm/amd/display: add SW_USE_I2C_REG request. [Description] This is for DC_I2c arbitration use between HW use/SW use and DMCU use. Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
42195a22 |
|
22-Feb-2019 |
Charlene Liu <charlene.liu@amd.com> |
drm/amd/display: add HW i2c arbitration with dmcu Signed-off-by: Charlene Liu <charlene.liu@amd.com> Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
d377ae4e |
|
03-Aug-2018 |
David Francis <David.Francis@amd.com> |
drm/amd/display: Remove redundant i2c structs [Why] The i2c code contains two structs that contain the same information as i2c_payload [How] Replace references to those structs with references to i2c_payload dce_i2c_transaction_request->status was written to but never read, so all references to it are removed Signed-off-by: David Francis <David.Francis@amd.com> Reviewed-by: Jordan Lazare <Jordan.Lazare@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
9bbdb0f3 |
|
09-Aug-2018 |
David Francis <David.Francis@amd.com> |
drm/amd/display: Eliminate i2c hw function pointers [Why] The function pointers of the dce_i2c_hw struct were never accessed from outside dce_i2c_hw.c and had only one version. As function pointers take up space and make debugging difficult, and they are not needed in this case, they should be removed. [How] Remove the dce_i2c_hw_funcs struct and make static all functions that were previously a part of it. Reorder the functions in dce_i2c_hw.c. Signed-off-by: David Francis <David.Francis@amd.com> Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
#
c85e6e54 |
|
23-Jul-2018 |
David Francis <David.Francis@amd.com> |
drm/amd/display: Create new i2c resource [Why] I2C code did not match dc resource model and was generally unpleasant [How] Move code into new svelte dce_i2c files, replacing various i2c objects with two structs: dce_i2c_sw and dce_i2c_hw. Fully split sw and hw code paths. Remove all redundant declarations. Use address lists to distinguish between versions. Change dce80 code to newer register access macros. Signed-off-by: David Francis <David.Francis@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|