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| author | Archit Taneja <architt@codeaurora.org> | 2016-05-07 23:11:25 +0530 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2016-07-16 10:08:51 -0400 |
| commit | 990a40079a55b81b5b6aef91a24aa053fb370072 (patch) | |
| tree | e5dd69f557661d99cb4f48ac6cfee7f9cc513428 /drivers/gpu/drm/msm/msm_drv.h | |
| parent | a2b3a5571f386e23b56164396292675bac6f2a19 (diff) | |
| download | op-kernel-dev-990a40079a55b81b5b6aef91a24aa053fb370072.zip op-kernel-dev-990a40079a55b81b5b6aef91a24aa053fb370072.tar.gz | |
drm/msm/mdp5: Add MDSS top level driver
SoCs that contain MDP5 have a top level wrapper called MDSS that manages
clocks, power and irq for the sub-blocks within it.
Currently, the MDSS portions are stuffed into the MDP5 driver. This makes
it hard to represent the DT bindings in the correct way. We create a top
level MDSS helper that handles these parts. This is essentially moving out
some of the mdp5_kms irq code and MDSS register space and keeping it as a
separate entity. We haven't given any clocks to the top level MDSS yet,
but a AHB clock would be added in the future to access registers.
One thing to note is that the resources allocated by this helper are
tied to the top level platform_device (the one that allocates the
drm_device struct too). This device would be the parent to MDSS
sub-blocks like MDP5, DSI, eDP etc.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 5b2963f..a7acd83 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -46,6 +46,7 @@ struct msm_kms; struct msm_gpu; struct msm_mmu; +struct msm_mdss; struct msm_rd_state; struct msm_perf_state; struct msm_gem_submit; @@ -82,6 +83,9 @@ struct msm_drm_private { /* subordinate devices, if present: */ struct platform_device *gpu_pdev; + /* top level MDSS wrapper device (for MDP5 only) */ + struct msm_mdss *mdss; + /* possibly this should be in the kms component, but it is * shared by both mdp4 and mdp5.. */ |
