From: Alex Deucher Date: Fri, 2 Jun 2023 18:34:12 +0000 (-0400) Subject: Revert "drm/amdgpu: Differentiate between Raven2 and Raven/Picasso according to revis... X-Git-Tag: v6.6.7~2707^2~4^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d511f95938bf9e75ab73ace0ab1cebbe9a13df4b;p=platform%2Fkernel%2Flinux-starfive.git Revert "drm/amdgpu: Differentiate between Raven2 and Raven/Picasso according to revision id" This reverts commit 9d2d1827af295fd6971786672c41c4dba3657154. This results in inconsistent timing reported via asynchronous GPU queries. Link: https://lists.freedesktop.org/archives/amd-gfx/2023-May/093731.html Cc: Jesse.Zhang@amd.com Cc: michel@daenzer.net Reviewed-by: Michel Dänzer Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index ce22f7b..e5b0677 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -4005,25 +4005,30 @@ static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev) clock = clock_lo | (clock_hi << 32ULL); break; case IP_VERSION(9, 1, 0): - case IP_VERSION(9, 2, 2): preempt_disable(); - if (adev->rev_id >= 0x8) { - clock_hi = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven2); - clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven2); - hi_check = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven2); - } else { - clock_hi = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven); + clock_hi = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven); + clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven); + hi_check = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven); + /* The PWR TSC clock frequency is 100MHz, which sets 32-bit carry over + * roughly every 42 seconds. + */ + if (hi_check != clock_hi) { clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven); - hi_check = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven); + clock_hi = hi_check; } + preempt_enable(); + clock = clock_lo | (clock_hi << 32ULL); + break; + case IP_VERSION(9, 2, 2): + preempt_disable(); + clock_hi = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven2); + clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven2); + hi_check = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_UPPER_Raven2); /* The PWR TSC clock frequency is 100MHz, which sets 32-bit carry over - * roughly every 42 seconds. - */ + * roughly every 42 seconds. + */ if (hi_check != clock_hi) { - if (adev->rev_id >= 0x8) - clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven2); - else - clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven); + clock_lo = RREG32_SOC15_NO_KIQ(PWR, 0, mmGOLDEN_TSC_COUNT_LOWER_Raven2); clock_hi = hi_check; } preempt_enable();