drm/radeon/rv6xx: implement get_current_sclk/mclk (d0a04d3b) · Commits · 戴 / test

drivers/gpu/drm/radeon/radeon_asic.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1080,6 +1080,8 @@ static struct radeon_asic rv6xx_asic = {
		.print_power_state = &rv6xx_dpm_print_power_state,
		.debugfs_print_current_performance_level = &rv6xx_dpm_debugfs_print_current_performance_level,
		.force_performance_level = &rv6xx_dpm_force_performance_level,
		.get_current_sclk = &rv6xx_dpm_get_current_sclk,
		.get_current_mclk = &rv6xx_dpm_get_current_mclk,
		},
		.pflip = {
		.page_flip = &rs600_page_flip,

+2 −0

Original line number	Diff line number	Diff line
		@@ -433,6 +433,8 @@ void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
		struct seq_file *m);
		int rv6xx_dpm_force_performance_level(struct radeon_device *rdev,
		enum radeon_dpm_forced_level level);
		u32 rv6xx_dpm_get_current_sclk(struct radeon_device *rdev);
		u32 rv6xx_dpm_get_current_mclk(struct radeon_device *rdev);
		/* rs780 dpm */
		int rs780_dpm_init(struct radeon_device *rdev);
		int rs780_dpm_enable(struct radeon_device *rdev);

+46 −0

Original line number	Diff line number	Diff line
		@@ -2050,6 +2050,52 @@ void rv6xx_dpm_debugfs_print_current_performance_level(struct radeon_device *rde
		}
		}

		/* get the current sclk in 10 khz units */
		u32 rv6xx_dpm_get_current_sclk(struct radeon_device *rdev)
		{
		struct radeon_ps *rps = rdev->pm.dpm.current_ps;
		struct rv6xx_ps *ps = rv6xx_get_ps(rps);
		struct rv6xx_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;
		}
		}

		/* get the current mclk in 10 khz units */
		u32 rv6xx_dpm_get_current_mclk(struct radeon_device *rdev)
		{
		struct radeon_ps *rps = rdev->pm.dpm.current_ps;
		struct rv6xx_ps *ps = rv6xx_get_ps(rps);
		struct rv6xx_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;
		}
		}

		void rv6xx_dpm_fini(struct radeon_device *rdev)
		{
		int i;