evie/android_kernel_oneplus_msm8998
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drm/msm: Remember the state of A5XX hardware clock gating

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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>
This commit is contained in:
Jordan Crouse 2017-07-20 12:04:52 -06:00
parent 74910dd6a2
commit a0c5da88c9
2 changed files with 7 additions and 0 deletions
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6
drivers/gpu/drm/msm/adreno/a5xx_gpu.c
View file

@ -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)

1
drivers/gpu/drm/msm/adreno/a5xx_gpu.h
View file

@ -23,6 +23,7 @@
enum {
A5XX_ZAP_SHADER_LOADED = 1,
A5XX_HWCG_ENABLED = 2,
};
struct a5xx_gpu {