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Commit bdf0c4f0 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/dpm: add debugfs support for cayman 



This allows you to look at the current DPM state via
debugfs.

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 490ab931

drivers/gpu/drm/radeon/ni_dpm.c

+20 −0
Original line number Diff line number Diff line
@@ -4287,6 +4287,26 @@ void ni_dpm_print_power_state(struct radeon_device *rdev, 
	r600_dpm_print_ps_status(rdev, rps);

}



void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,

						    struct seq_file *m)

{

	struct radeon_ps *rps = rdev->pm.dpm.current_ps;

	struct ni_ps *ps = ni_get_ps(rps);

	struct rv7xx_pl *pl;

	u32 current_index =

		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_INDEX_MASK) >>

		CURRENT_STATE_INDEX_SHIFT;



	if (current_index >= ps->performance_level_count) {

		seq_printf(m, "invalid dpm profile %d\n", current_index);

	} else {

		pl = &ps->performance_levels[current_index];

		seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);

		seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",

			   current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);

	}

}



u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low)

{

	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);

drivers/gpu/drm/radeon/nid.h

+4 −0
Original line number Diff line number Diff line
@@ -618,6 +618,10 @@ 
#       define MRDCKD0_BYPASS                           (1 << 30)

#       define MRDCKD1_BYPASS                           (1 << 31)



#define TARGET_AND_CURRENT_PROFILE_INDEX                  0x66c

#       define CURRENT_STATE_INDEX_MASK                   (0xf << 4)

#       define CURRENT_STATE_INDEX_SHIFT                  4



#define CG_AT                                           0x6d4

#       define CG_R(x)					((x) << 0)

#       define CG_R_MASK				(0xffff << 0)

drivers/gpu/drm/radeon/radeon_asic.c

+1 −0
Original line number Diff line number Diff line
@@ -1936,6 +1936,7 @@ static struct radeon_asic cayman_asic = { 
		.get_sclk = &ni_dpm_get_sclk,

		.get_mclk = &ni_dpm_get_mclk,

		.print_power_state = &ni_dpm_print_power_state,

		.debugfs_print_current_performance_level = &ni_dpm_debugfs_print_current_performance_level,

	},

	.pflip = {

		.pre_page_flip = &evergreen_pre_page_flip,

drivers/gpu/drm/radeon/radeon_asic.h

+2 −0
Original line number Diff line number Diff line
@@ -613,6 +613,8 @@ u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low); 
u32 ni_dpm_get_mclk(struct radeon_device *rdev, bool low);

void ni_dpm_print_power_state(struct radeon_device *rdev,

			      struct radeon_ps *ps);

void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,

						    struct seq_file *m);

int trinity_dpm_init(struct radeon_device *rdev);

int trinity_dpm_enable(struct radeon_device *rdev);

void trinity_dpm_disable(struct radeon_device *rdev);