i915/gt/intel_gt_clock_utils.c

13 static u32 read_reference_ts_freq(struct intel_uncore *uncore)
15 	u32 ts_override = intel_uncore_read(uncore, GEN9_TIMESTAMP_OVERRIDE);
30 static u32 gen11_get_crystal_clock_freq(struct intel_uncore *uncore,
56 static u32 gen11_read_clock_frequency(struct intel_uncore *uncore)
58 	u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE);
71 		freq = read_reference_ts_freq(uncore);
73 		u32 c0 = intel_uncore_read(uncore, RPM_CONFIG0);
75 		freq = gen11_get_crystal_clock_freq(uncore, c0);
89 static u32 gen9_read_clock_frequency(struct intel_uncore *uncore)
91 	u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE);
95 		freq = read_reference_ts_freq(uncore);
97 		freq = IS_GEN9_LP(uncore->i915) ? 19200000 : 24000000;
111 static u32 gen6_read_clock_frequency(struct intel_uncore *uncore)
123 static u32 gen5_read_clock_frequency(struct intel_uncore *uncore)
132 static u32 g4x_read_clock_frequency(struct intel_uncore *uncore)
143 static u32 gen4_read_clock_frequency(struct intel_uncore *uncore)
154 	return RUNTIME_INFO(uncore->i915)->rawclk_freq * 1000;
157 static u32 read_clock_frequency(struct intel_uncore *uncore)
159 	if (GRAPHICS_VER(uncore->i915) >= 11)
160 		return gen11_read_clock_frequency(uncore);
161 	else if (GRAPHICS_VER(uncore->i915) >= 9)
162 		return gen9_read_clock_frequency(uncore);
163 	else if (GRAPHICS_VER(uncore->i915) >= 6)
164 		return gen6_read_clock_frequency(uncore);
165 	else if (GRAPHICS_VER(uncore->i915) == 5)
166 		return gen5_read_clock_frequency(uncore);
167 	else if (IS_G4X(uncore->i915))
168 		return g4x_read_clock_frequency(uncore);
169 	else if (GRAPHICS_VER(uncore->i915) == 4)
170 		return gen4_read_clock_frequency(uncore);
177 	gt->clock_frequency = read_clock_frequency(gt->uncore);
196 	if (gt->clock_frequency != read_clock_frequency(gt->uncore)) {
199 		       read_clock_frequency(gt->uncore));