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authorAlex Deucher <alexander.deucher@amd.com>2013-09-06 20:33:04 +0400
committerChristian König <christian.koenig@amd.com>2014-02-18 19:11:46 +0400
commita1d6f97c8cfa7c3554d0391c0b16505d1d97f380 (patch)
treeb99fc950e38a90fc25d9ccc066dd477c79699798 /drivers/gpu
parentb9fa18837610483b09a07f1419e6b9f333c46023 (diff)
downloadlinux-a1d6f97c8cfa7c3554d0391c0b16505d1d97f380.tar.xz
drm/radeon/cik: enable/disable vce cg when encoding v2
Some of the vce clocks are automatic, others need to be manually enabled. For ease, just disable cg when vce is active. v2: rebased Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/ci_dpm.c9
-rw-r--r--drivers/gpu/drm/radeon/cik.c5
-rw-r--r--drivers/gpu/drm/radeon/kv_dpm.c4
3 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 6669d3252f57..cad89a977527 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -172,6 +172,8 @@ extern void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
extern void cik_enter_rlc_safe_mode(struct radeon_device *rdev);
extern void cik_exit_rlc_safe_mode(struct radeon_device *rdev);
extern int ci_mc_load_microcode(struct radeon_device *rdev);
+extern void cik_update_cg(struct radeon_device *rdev,
+ u32 block, bool enable);
static int ci_get_std_voltage_value_sidd(struct radeon_device *rdev,
struct atom_voltage_table_entry *voltage_table,
@@ -3627,8 +3629,10 @@ static int ci_update_vce_dpm(struct radeon_device *rdev,
if (radeon_current_state->evclk != radeon_new_state->evclk) {
if (radeon_new_state->evclk) {
- pi->smc_state_table.VceBootLevel = ci_get_vce_boot_level(rdev);
+ /* turn the clocks on when encoding */
+ cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false);
+ pi->smc_state_table.VceBootLevel = ci_get_vce_boot_level(rdev);
tmp = RREG32_SMC(DPM_TABLE_475);
tmp &= ~VceBootLevel_MASK;
tmp |= VceBootLevel(pi->smc_state_table.VceBootLevel);
@@ -3636,6 +3640,9 @@ static int ci_update_vce_dpm(struct radeon_device *rdev,
ret = ci_enable_vce_dpm(rdev, true);
} else {
+ /* turn the clocks off when not encoding */
+ cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true);
+
ret = ci_enable_vce_dpm(rdev, false);
}
}
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index ecb16b14f049..2b31c3233a5e 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -75,6 +75,7 @@ extern void si_init_uvd_internal_cg(struct radeon_device *rdev);
extern int cik_sdma_resume(struct radeon_device *rdev);
extern void cik_sdma_enable(struct radeon_device *rdev, bool enable);
extern void cik_sdma_fini(struct radeon_device *rdev);
+extern void vce_v2_0_enable_mgcg(struct radeon_device *rdev, bool enable);
static void cik_rlc_stop(struct radeon_device *rdev);
static void cik_pcie_gen3_enable(struct radeon_device *rdev);
static void cik_program_aspm(struct radeon_device *rdev);
@@ -6141,6 +6142,10 @@ void cik_update_cg(struct radeon_device *rdev,
cik_enable_hdp_mgcg(rdev, enable);
cik_enable_hdp_ls(rdev, enable);
}
+
+ if (block & RADEON_CG_BLOCK_VCE) {
+ vce_v2_0_enable_mgcg(rdev, enable);
+ }
}
static void cik_init_cg(struct radeon_device *rdev)
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index 9ee1f28bbd85..16ec9d56a234 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -1412,6 +1412,8 @@ static int kv_update_vce_dpm(struct radeon_device *rdev,
if (radeon_new_state->evclk > 0 && radeon_current_state->evclk == 0) {
kv_dpm_powergate_vce(rdev, false);
+ /* turn the clocks on when encoding */
+ cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false);
if (pi->caps_stable_p_state)
pi->vce_boot_level = table->count - 1;
else
@@ -1434,6 +1436,8 @@ static int kv_update_vce_dpm(struct radeon_device *rdev,
kv_enable_vce_dpm(rdev, true);
} else if (radeon_new_state->evclk == 0 && radeon_current_state->evclk > 0) {
kv_enable_vce_dpm(rdev, false);
+ /* turn the clocks off when not encoding */
+ cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true);
kv_dpm_powergate_vce(rdev, true);
}