drm/radeon/btc: implement get_current_sclk/mclk (99550ee9) · Commits · 戴 / test

drivers/gpu/drm/radeon/btc_dpm.c

+46 −0

Original line number	Diff line number	Diff line
		@@ -2761,6 +2761,52 @@ void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
		}
		}

		u32 btc_dpm_get_current_sclk(struct radeon_device *rdev)
		{
		struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
		struct radeon_ps *rps = &eg_pi->current_rps;
		struct rv7xx_ps *ps = rv770_get_ps(rps);
		struct rv7xx_pl *pl;
		u32 current_index =
		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
		CURRENT_PROFILE_INDEX_SHIFT;

		if (current_index > 2) {
		return 0;
		} else {
		if (current_index == 0)
		pl = &ps->low;
		else if (current_index == 1)
		pl = &ps->medium;
		else /* current_index == 2 */
		pl = &ps->high;
		return pl->sclk;
		}
		}

		u32 btc_dpm_get_current_mclk(struct radeon_device *rdev)
		{
		struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
		struct radeon_ps *rps = &eg_pi->current_rps;
		struct rv7xx_ps *ps = rv770_get_ps(rps);
		struct rv7xx_pl *pl;
		u32 current_index =
		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
		CURRENT_PROFILE_INDEX_SHIFT;

		if (current_index > 2) {
		return 0;
		} else {
		if (current_index == 0)
		pl = &ps->low;
		else if (current_index == 1)
		pl = &ps->medium;
		else /* current_index == 2 */
		pl = &ps->high;
		return pl->mclk;
		}
		}

		u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low)
		{
		struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);

+2 −0

Original line number	Diff line number	Diff line
		@@ -1580,6 +1580,8 @@ static struct radeon_asic btc_asic = {
		.debugfs_print_current_performance_level = &btc_dpm_debugfs_print_current_performance_level,
		.force_performance_level = &rv770_dpm_force_performance_level,
		.vblank_too_short = &btc_dpm_vblank_too_short,
		.get_current_sclk = &btc_dpm_get_current_sclk,
		.get_current_mclk = &btc_dpm_get_current_mclk,
		},
		.pflip = {
		.page_flip = &evergreen_page_flip,

+2 −0

Original line number	Diff line number	Diff line
		@@ -569,6 +569,8 @@ u32 btc_dpm_get_mclk(struct radeon_device *rdev, bool low);
		bool btc_dpm_vblank_too_short(struct radeon_device *rdev);
		void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
		struct seq_file *m);
		u32 btc_dpm_get_current_sclk(struct radeon_device *rdev);
		u32 btc_dpm_get_current_mclk(struct radeon_device *rdev);
		int sumo_dpm_init(struct radeon_device *rdev);
		int sumo_dpm_enable(struct radeon_device *rdev);
		int sumo_dpm_late_enable(struct radeon_device *rdev);