diff options
| author | Ping Li <pingli@codeaurora.org> | 2016-08-24 16:33:21 -0700 |
|---|---|---|
| committer | Ping Li <pingli@codeaurora.org> | 2016-08-29 11:38:56 -0700 |
| commit | 53bfdf149fb457285581b0fab6f15906d2fd65e0 (patch) | |
| tree | 4f6ec83158dbe3692ad7814eb805917c6e8cb7e3 | |
| parent | aaf356abef25b51d88bde2175a5c373f1f9ad49b (diff) | |
msm: mdss: Update MDP memory retention sequence for msmcobalt
msmcobalt requires MDP clks ON when configuring the retention bits of
MDSS_MDP_CBCR and MDSS_MDP_LUT_CBCR registers, so that the retention
signals can be propagated to memories. This change adds the code
to support the new requirement.
Change-Id: I75b83ce99f061104641188c0f0d3d6cd3e0cfb09
Signed-off-by: Ping Li <pingli@codeaurora.org>
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp.c b/drivers/video/fbdev/msm/mdss_mdp.c index f35156a2cfcb..cd842cecc945 100644 --- a/drivers/video/fbdev/msm/mdss_mdp.c +++ b/drivers/video/fbdev/msm/mdss_mdp.c @@ -1364,6 +1364,7 @@ static void mdss_mdp_memory_retention_enter(void) } } + __mdss_mdp_reg_access_clk_enable(mdata, true); if (mdss_mdp_clk) { clk_set_flags(mdss_mdp_clk, CLKFLAG_RETAIN_MEM); clk_set_flags(mdss_mdp_clk, CLKFLAG_PERIPH_OFF_SET); @@ -1375,6 +1376,7 @@ static void mdss_mdp_memory_retention_enter(void) clk_set_flags(mdss_mdp_lut_clk, CLKFLAG_PERIPH_OFF_SET); clk_set_flags(mdss_mdp_lut_clk, CLKFLAG_NORETAIN_PERIPH); } + __mdss_mdp_reg_access_clk_enable(mdata, false); } static void mdss_mdp_memory_retention_exit(void) @@ -1396,7 +1398,7 @@ static void mdss_mdp_memory_retention_exit(void) } } - + __mdss_mdp_reg_access_clk_enable(mdata, true); if (mdss_mdp_clk) { clk_set_flags(mdss_mdp_clk, CLKFLAG_RETAIN_MEM); clk_set_flags(mdss_mdp_clk, CLKFLAG_RETAIN_PERIPH); @@ -1408,6 +1410,7 @@ static void mdss_mdp_memory_retention_exit(void) clk_set_flags(mdss_mdp_lut_clk, CLKFLAG_RETAIN_PERIPH); clk_set_flags(mdss_mdp_lut_clk, CLKFLAG_PERIPH_OFF_CLEAR); } + __mdss_mdp_reg_access_clk_enable(mdata, false); } /** |