diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4167-drm-amdgpu-No-need-to-check-gfxoff-status-after-enab.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4167-drm-amdgpu-No-need-to-check-gfxoff-status-after-enab.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4167-drm-amdgpu-No-need-to-check-gfxoff-status-after-enab.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4167-drm-amdgpu-No-need-to-check-gfxoff-status-after-enab.patch new file mode 100644 index 00000000..57d925e9 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4167-drm-amdgpu-No-need-to-check-gfxoff-status-after-enab.patch @@ -0,0 +1,43 @@ +From d37f0200c8aa88982cb2358aac4684195d407585 Mon Sep 17 00:00:00 2001 +From: chen gong <curry.gong@amd.com> +Date: Wed, 16 Oct 2019 18:04:02 +0800 +Subject: [PATCH 4167/4736] drm/amdgpu: No need to check gfxoff status after + enable gfxoff feature + +smu_send_smc_msg(smu, SMU_MSG_AllowGfxOff) Just turn on a switch. + +As to when GPU get into "GFXoff" will be up to drawing load. + +So we can not sure which state GPU should be in after enable gfxoff +feature. + +Signed-off-by: chen gong <curry.gong@amd.com> +Acked-by: Evan Quan <evan.quan@amd.com> +Reviewed-by: Kevin Wang <kevin1.wang@amd.com> +--- + drivers/gpu/drm/amd/powerplay/smu_v12_0.c | 9 --------- + 1 file changed, 9 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c +index c9691d0fb523..cac4269cf1d1 100644 +--- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c ++++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c +@@ -244,15 +244,6 @@ static int smu_v12_0_gfx_off_control(struct smu_context *smu, bool enable) + if (enable) { + ret = smu_send_smc_msg(smu, SMU_MSG_AllowGfxOff); + +- /* confirm gfx is back to "off" state, timeout is 5 seconds */ +- while (!(smu_v12_0_get_gfxoff_status(smu) == 0)) { +- msleep(10); +- timeout--; +- if (timeout == 0) { +- DRM_ERROR("enable gfxoff timeout and failed!\n"); +- break; +- } +- } + } else { + ret = smu_send_smc_msg(smu, SMU_MSG_DisallowGfxOff); + +-- +2.17.1 + |