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drm/msm/adreno: add adreno430 power control 

Signed-off-by: Craig Stout <cstout@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Craig Stout 2016-02-18 16:50:01 -08:00 committed by Rob Clark
parent 357ff00b08
commit 38bbc55ef5
1 changed files with 37 additions and 2 deletions
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39
drivers/gpu/drm/msm/adreno/a4xx_gpu.c
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@ -543,12 +543,47 @@ static void a4xx_dump(struct msm_gpu *gpu)
adreno_dump(gpu);
}
static int a4xx_pm_resume(struct msm_gpu *gpu) {
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
int ret;
ret = msm_gpu_pm_resume(gpu);
if (ret)
return ret;
if (adreno_is_a430(adreno_gpu)) {
unsigned int reg;
/* Set the default register values; set SW_COLLAPSE to 0 */
gpu_write(gpu, REG_A4XX_RBBM_POWER_CNTL_IP, 0x778000);
do {
udelay(5);
reg = gpu_read(gpu, REG_A4XX_RBBM_POWER_STATUS);
} while (!(reg & A4XX_RBBM_POWER_CNTL_IP_SP_TP_PWR_ON));
}
return 0;
}
static int a4xx_pm_suspend(struct msm_gpu *gpu) {
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
int ret;
ret = msm_gpu_pm_suspend(gpu);
if (ret)
return ret;
if (adreno_is_a430(adreno_gpu)) {
/* Set the default register values; set SW_COLLAPSE to 1 */
gpu_write(gpu, REG_A4XX_RBBM_POWER_CNTL_IP, 0x778001);
}
return 0;
}
static const struct adreno_gpu_funcs funcs = {
.base = {
.get_param = adreno_get_param,
.hw_init = a4xx_hw_init,
.pm_suspend = msm_gpu_pm_suspend,
.pm_resume = msm_gpu_pm_resume,
.pm_suspend = a4xx_pm_suspend,
.pm_resume = a4xx_pm_resume,
.recover = a4xx_recover,
.last_fence = adreno_last_fence,
.submit = adreno_submit,