Instead of voting ACV for all bw corners for A8x GPU, restrict it to BW
votes above the perfmode_bw threshold, similar to the A7x GPUs.
Fixes: 288a93200892 ("drm/msm/adreno: Introduce A8x GPU Support")
Signed-off-by: Akhil P Oommen <[email protected]>
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 8 ++++++--
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 5 +++++
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 6d49c51df1a2..baf77a620572 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -1656,8 +1656,12 @@ static int a6xx_gmu_rpmh_bw_votes_init(struct adreno_gpu
*adreno_gpu,
if (bcm->fixed) {
u32 perfmode = 0;
- /* GMU on A6xx votes perfmode on all valid
bandwidth */
- if (!adreno_is_a7xx(adreno_gpu) ||
+ /*
+ * GMU on A6xx votes perfmode on all valid
+ * bandwidth. A7xx and A8xx only vote perfmode
+ * above the perfmode_bw threshold.
+ */
+ if (adreno_is_a6xx(adreno_gpu) ||
(bcm->perfmode_bw && bw >=
bcm->perfmode_bw))
perfmode = bcm->perfmode;
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 114a40f79ef3..bd5c440f1753 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -580,6 +580,11 @@ static inline int adreno_is_a750_family(struct adreno_gpu
*gpu)
return gpu->info->family == ADRENO_7XX_GEN3;
}
+static inline int adreno_is_a6xx(struct adreno_gpu *gpu)
+{
+ return (gpu->info->family >= ADRENO_6XX_GEN1) && (gpu->info->family <
ADRENO_7XX_GEN1);
+}
+
static inline int adreno_is_a7xx(struct adreno_gpu *gpu)
{
/* Update with non-fake (i.e. non-A702) Gen 7 GPUs */
--
2.55.0
