diff options
| author | Krishna Chaitanya Devarakonda <kdevarak@codeaurora.org> | 2017-08-17 16:16:42 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-09-04 22:43:23 -0700 |
| commit | cd2291139f3d68be1c2221616ce53419706bea7d (patch) | |
| tree | aa9fbed8f8c982a084384a02097d1789fb19b620 | |
| parent | a2e923bd7d0cca53287c5806d8cc130737ac30a0 (diff) | |
msm: mdss: Enable clocks for WFD setup
The WFD setup path has few register writes. If the MDP clocks
aren't switched on, the register access might cause SMMU
faults. Turn on the clocks, before calling WFD setup.
Change-Id: Icc865178f43dc6068b6b4b201b8f9eada2570598
Signed-off-by: Krishna Chaitanya Devarakonda <kdevarak@codeaurora.org>
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_layer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_layer.c b/drivers/video/fbdev/msm/mdss_mdp_layer.c index ff93c343d41f..b07ba82fde34 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_layer.c +++ b/drivers/video/fbdev/msm/mdss_mdp_layer.c @@ -3191,11 +3191,14 @@ int mdss_mdp_layer_atomic_validate_wfd(struct msm_fb_data_type *mfd, goto validate_failed; } + mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_ON); rc = mdss_mdp_wfd_setup(wfd, output_layer); if (rc) { pr_err("fail to prepare wfd = %d\n", rc); + mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); goto validate_failed; } + mdss_mdp_clk_ctrl(MDP_BLOCK_POWER_OFF); rc = mdss_mdp_layer_atomic_validate(mfd, file, commit); if (rc) { |