diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2017-07-20 12:04:52 -0600 |
|---|---|---|
| committer | Jordan Crouse <jcrouse@codeaurora.org> | 2017-07-24 13:01:13 -0600 |
| commit | a0c5da88c9bdcd496ab1d587e00871fa2634fc73 (patch) | |
| tree | 0bbf6ecc3f6a024bb5741d991c5bf1aef3f4fb9f | |
| parent | 74910dd6a289792505852c6c071ec9923e891cc4 (diff) | |
drm/msm: Remember the state of A5XX hardware clock gating
Remember if the A5XX hardware clock gating is currently
enabled or disabled to avoid inadvertently enabling it.
Change-Id: Ic0dedbada3734a257ac966c041d06695f3521ad4
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx_gpu.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 47f437fa4fb3..e66079cdd53e 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -375,6 +375,7 @@ static const struct { void a5xx_set_hwcg(struct msm_gpu *gpu, bool state) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); unsigned int i; for (i = 0; i < ARRAY_SIZE(a5xx_hwcg); i++) @@ -391,6 +392,11 @@ void a5xx_set_hwcg(struct msm_gpu *gpu, bool state) gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, state ? 0xAAA8AA00 : 0); gpu_write(gpu, REG_A5XX_RBBM_ISDB_CNT, state ? 0x182 : 0x180); + + if (state) + set_bit(A5XX_HWCG_ENABLED, &a5xx_gpu->flags); + else + clear_bit(A5XX_HWCG_ENABLED, &a5xx_gpu->flags); } static int a5xx_me_init(struct msm_gpu *gpu) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index f8b00982fe86..e637237fa811 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -23,6 +23,7 @@ enum { A5XX_ZAP_SHADER_LOADED = 1, + A5XX_HWCG_ENABLED = 2, }; struct a5xx_gpu { |