diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2018-11-02 09:25:25 -0600 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2018-12-11 13:05:30 -0500 |
| commit | 1707add815519da406c2d1444a1f10ef8bb4ad5b (patch) | |
| tree | de24dac0d207a864082492a014d74378b72a1f28 /drivers/gpu/drm/msm/adreno/a6xx_gmu.c | |
| parent | b9fc230252e7d0cbf109292bead71e50476f14c9 (diff) | |
drm/msm/a6xx: Add a6xx gpu state
Add support for gathering and dumping the a6xx GPU state including
registers, GMU registers, indexed registers, shader blocks,
context clusters and debugbus.
v2: Fix bugs discovered by Sharat Masetty
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gmu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index e816947ac7d8..c58e953fefa3 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -51,10 +51,31 @@ static irqreturn_t a6xx_hfi_irq(int irq, void *data) return IRQ_HANDLED; } +bool a6xx_gmu_sptprac_is_on(struct a6xx_gmu *gmu) +{ + u32 val; + + /* This can be called from gpu state code so make sure GMU is valid */ + if (IS_ERR_OR_NULL(gmu->mmio)) + return false; + + val = gmu_read(gmu, REG_A6XX_GMU_SPTPRAC_PWR_CLK_STATUS); + + return !(val & + (A6XX_GMU_SPTPRAC_PWR_CLK_STATUS_SPTPRAC_GDSC_POWER_OFF | + A6XX_GMU_SPTPRAC_PWR_CLK_STATUS_SP_CLOCK_OFF)); +} + /* Check to see if the GX rail is still powered */ -static bool a6xx_gmu_gx_is_on(struct a6xx_gmu *gmu) +bool a6xx_gmu_gx_is_on(struct a6xx_gmu *gmu) { - u32 val = gmu_read(gmu, REG_A6XX_GMU_SPTPRAC_PWR_CLK_STATUS); + u32 val; + + /* This can be called from gpu state code so make sure GMU is valid */ + if (IS_ERR_OR_NULL(gmu->mmio)) + return false; + + val = gmu_read(gmu, REG_A6XX_GMU_SPTPRAC_PWR_CLK_STATUS); return !(val & (A6XX_GMU_SPTPRAC_PWR_CLK_STATUS_GX_HM_GDSC_POWER_OFF | |