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| author | Alex Deucher <alexander.deucher@amd.com> | 2015-05-11 20:01:55 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-05-26 14:31:25 (GMT) |
| commit | 84bcd469592eadbf731c07ed7f6654dc71bbe059 (patch) | |
| tree | 2078c837d7efcadefe4398fd467bc1e7ea028194 /drivers/gpu/drm/radeon/trinity_dpm.c | |
| parent | d55a43a3e9258c01a6cac2f3081b3ceaa8e58020 (diff) | |
| download | linux-84bcd469592eadbf731c07ed7f6654dc71bbe059.tar.xz | |
drm/radeon/tn/si: 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, call vce_v1_0_enable_mgcg directly
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/trinity_dpm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/trinity_dpm.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index e0d0780..d34bfcda 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -336,6 +336,7 @@ static const u32 trinity_override_mgpg_sequences[] = 0x00000204, 0x00000000, }; +extern void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable); static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev, const u32 *seq, u32 count); static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev); @@ -990,8 +991,14 @@ static void trinity_set_vce_clock(struct radeon_device *rdev, struct radeon_ps *old_rps) { if ((old_rps->evclk != new_rps->evclk) || - (old_rps->ecclk != new_rps->ecclk)) + (old_rps->ecclk != new_rps->ecclk)) { + /* turn the clocks on when encoding, off otherwise */ + if (new_rps->evclk || new_rps->ecclk) + vce_v1_0_enable_mgcg(rdev, false); + else + vce_v1_0_enable_mgcg(rdev, true); radeon_set_vce_clocks(rdev, new_rps->evclk, new_rps->ecclk); + } } static void trinity_program_ttt(struct radeon_device *rdev) |