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Commit 490ab931 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon/dpm: add debugfs support for TN 



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

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fb70160c

drivers/gpu/drm/radeon/radeon_asic.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -2108,6 +2108,7 @@ static struct radeon_asic trinity_asic = { 
		.get_sclk = &trinity_dpm_get_sclk,

		.get_sclk = &trinity_dpm_get_sclk,

		.get_mclk = &trinity_dpm_get_mclk,

		.get_mclk = &trinity_dpm_get_mclk,

		.print_power_state = &trinity_dpm_print_power_state,

		.print_power_state = &trinity_dpm_print_power_state,

		.debugfs_print_current_performance_level = &trinity_dpm_debugfs_print_current_performance_level,

	},

	},

	.pflip = {

	.pflip = {

		.pre_page_flip = &evergreen_pre_page_flip,

		.pre_page_flip = &evergreen_pre_page_flip,

drivers/gpu/drm/radeon/radeon_asic.h

+2 −0
Original line number Original line Diff line number Diff line
@@ -626,6 +626,8 @@ u32 trinity_dpm_get_sclk(struct radeon_device *rdev, bool low); 
u32 trinity_dpm_get_mclk(struct radeon_device *rdev, bool low);

u32 trinity_dpm_get_mclk(struct radeon_device *rdev, bool low);

void trinity_dpm_print_power_state(struct radeon_device *rdev,

void trinity_dpm_print_power_state(struct radeon_device *rdev,

				   struct radeon_ps *ps);

				   struct radeon_ps *ps);

void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,

							 struct seq_file *m);





/* DCE6 - SI */

/* DCE6 - SI */

void dce6_bandwidth_update(struct radeon_device *rdev);

void dce6_bandwidth_update(struct radeon_device *rdev);

drivers/gpu/drm/radeon/trinity_dpm.c

+21 −0
Original line number Original line Diff line number Diff line
@@ -1855,6 +1855,27 @@ void trinity_dpm_print_power_state(struct radeon_device *rdev, 
	r600_dpm_print_ps_status(rdev, rps);

	r600_dpm_print_ps_status(rdev, rps);

}

}





void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,

							 struct seq_file *m)

{

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

	struct trinity_ps *ps = trinity_get_ps(rps);

	struct trinity_pl *pl;

	u32 current_index =

		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) >>

		CURRENT_STATE_SHIFT;



	if (current_index >= ps->num_levels) {

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

	} else {

		pl = &ps->levels[current_index];

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

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

			   current_index, pl->sclk,

			   trinity_convert_voltage_index_to_value(rdev, pl->vddc_index));

	}

}



void trinity_dpm_fini(struct radeon_device *rdev)

void trinity_dpm_fini(struct radeon_device *rdev)

{

{

	int i;

	int i;