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authorRob Clark <robdclark@chromium.org>2023-03-20 15:43:36 +0100
committerRob Clark <robdclark@chromium.org>2023-03-26 00:31:45 +0100
commit8559da8fdfe57f293ff200ac145dabc3e9de849c (patch)
tree0366d081ab03d8a8ffc50eaa509a4d90006942a6 /drivers
parentdrm/msm/gpu: Move BO allocation out of hw_init (diff)
downloadlinux-8559da8fdfe57f293ff200ac145dabc3e9de849c.tar.xz
linux-8559da8fdfe57f293ff200ac145dabc3e9de849c.zip
drm/msm/a6xx: Move ioremap out of hw_init path
Move the one-time RPMh setup to a6xx_gmu_init(). To get rid of the hack for one-time init vs start, add in an extra a6xx_rpmh_stop() at the end of the init sequence. Signed-off-by: Rob Clark <robdclark@chromium.org> Patchwork: https://patchwork.freedesktop.org/patch/527854/ Link: https://lore.kernel.org/r/20230320144356.803762-15-robdclark@gmail.com
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gmu.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index ba6b8ea27c71..e16b4b3f8535 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -621,6 +621,8 @@ setup_pdc:
/* ensure no writes happen before the uCode is fully written */
wmb();
+ a6xx_rpmh_stop(gmu);
+
err:
if (!IS_ERR_OR_NULL(pdcptr))
iounmap(pdcptr);
@@ -753,7 +755,6 @@ static int a6xx_gmu_fw_load(struct a6xx_gmu *gmu)
static int a6xx_gmu_fw_start(struct a6xx_gmu *gmu, unsigned int state)
{
- static bool rpmh_init;
struct a6xx_gpu *a6xx_gpu = container_of(gmu, struct a6xx_gpu, gmu);
struct adreno_gpu *adreno_gpu = &a6xx_gpu->base;
int ret;
@@ -776,15 +777,9 @@ static int a6xx_gmu_fw_start(struct a6xx_gmu *gmu, unsigned int state)
/* Turn on register retention */
gmu_write(gmu, REG_A6XX_GMU_GENERAL_7, 1);
- /* We only need to load the RPMh microcode once */
- if (!rpmh_init) {
- a6xx_gmu_rpmh_init(gmu);
- rpmh_init = true;
- } else {
- ret = a6xx_rpmh_start(gmu);
- if (ret)
- return ret;
- }
+ ret = a6xx_rpmh_start(gmu);
+ if (ret)
+ return ret;
ret = a6xx_gmu_fw_load(gmu);
if (ret)
@@ -1670,6 +1665,9 @@ int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node)
/* Set up the HFI queues */
a6xx_hfi_init(gmu);
+ /* Initialize RPMh */
+ a6xx_gmu_rpmh_init(gmu);
+
gmu->initialized = true;
return 0;