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authorSharat Masetty <smasetty@codeaurora.org>2018-10-04 12:41:43 +0300
committerRob Clark <robdclark@gmail.com>2018-10-04 16:19:37 +0300
commita2c3c0a54d4cccb35e8071a11e203c4ac06f9e4e (patch)
treeabcf2e914aaf00c563b96dc2605c627e12ed528b /drivers/gpu/drm/msm/adreno/a6xx_gmu.h
parentde0a3d094de0858f091cf353c437e912ca41a506 (diff)
downloadlinux-a2c3c0a54d4cccb35e8071a11e203c4ac06f9e4e.tar.xz
drm/msm/a6xx: Add devfreq support for a6xx
Implement routines to estimate GPU busy time and fetching the current frequency for the polling interval. This is required by the devfreq framework which recommends a frequency change if needed. The driver code then tries to set this new frequency on the GPU by sending an Out Of Band(OOB) request to the GMU. Signed-off-by: Sharat Masetty <smasetty@codeaurora.org> Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gmu.h')
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gmu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
index f34630c72c4d..35f765afae45 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
@@ -74,6 +74,8 @@ struct a6xx_gmu {
unsigned long gmu_freqs[4];
u32 cx_arc_votes[4];
+ unsigned long freq;
+
struct a6xx_hfi_queue queues[2];
struct tasklet_struct hfi_tasklet;