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Commit 7982128c authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/dpm: add debugfs support for SI 



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

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent bdf0c4f0

drivers/gpu/drm/radeon/radeon_asic.c

+1 −0
Original line number Diff line number Diff line
@@ -2282,6 +2282,7 @@ static struct radeon_asic si_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 = &si_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
@@ -677,6 +677,8 @@ int si_dpm_set_power_state(struct radeon_device *rdev); 
void si_dpm_post_set_power_state(struct radeon_device *rdev);

void si_dpm_fini(struct radeon_device *rdev);

void si_dpm_display_configuration_changed(struct radeon_device *rdev);

void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,

						    struct seq_file *m);



/* DCE8 - CIK */

void dce8_bandwidth_update(struct radeon_device *rdev);

drivers/gpu/drm/radeon/si_dpm.c

+19 −0
Original line number Diff line number Diff line
@@ -6385,3 +6385,22 @@ void si_dpm_fini(struct radeon_device *rdev) 
	r600_free_extended_power_table(rdev);

}



void si_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 pcie gen: %u\n",

			   current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci, pl->pcie_gen + 1);

	}

}

drivers/gpu/drm/radeon/sid.h

+4 −0
Original line number Diff line number Diff line
@@ -220,6 +220,10 @@ 
#       define GFX_CLK_OFF_ACPI_D3                        (1 << 13)

#       define DYN_LIGHT_SLEEP_EN                         (1 << 14)



#define TARGET_AND_CURRENT_PROFILE_INDEX                  0x798

#       define CURRENT_STATE_INDEX_MASK                   (0xf << 4)

#       define CURRENT_STATE_INDEX_SHIFT                  4



#define CG_FTV                                            0x7bc



#define CG_FFCT_0                                         0x7c0