From 6fe2b845dd2a06ebab8ec46620dcba884d38e026 Mon Sep 17 00:00:00 2001 From: Ujwal Patel Date: Wed, 3 Dec 2014 21:54:32 -0800 Subject: [PATCH] msm: mdss: expose correct number of supported blending stages User-space decides how many layers to send for MDP composition using max blending stage value passed by the driver. Currently driver sends this value based on its internal enum value which does not reflect the correct number of blending stages that HW supports. So user-space makes independent assumption to derive at correct value by deducting 2. This is incorrect design and may lead to unforeseen issues. Fix it by sending correct max blending stage value. Change-Id: Iaaed7b6824e6ef445ca202fb993d1061811b5ce0 Signed-off-by: Ujwal Patel --- drivers/video/fbdev/msm/mdss_mdp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/msm/mdss_mdp.c b/drivers/video/fbdev/msm/mdss_mdp.c index 687d369320fb..a8fbef6e9d9f 100644 --- a/drivers/video/fbdev/msm/mdss_mdp.c +++ b/drivers/video/fbdev/msm/mdss_mdp.c @@ -1095,11 +1095,11 @@ static void mdss_mdp_hw_rev_caps_init(struct mdss_data_type *mdata) case MDSS_MDP_HW_REV_109: case MDSS_MDP_HW_REV_110: mdss_set_quirk(mdata, MDSS_QUIRK_BWCPANIC); - mdata->max_target_zorder = MDSS_MDP_MAX_STAGE; + mdata->max_target_zorder = 7; /* excluding base layer */ mdata->max_cursor_size = 128; break; default: - mdata->max_target_zorder = MDSS_MDP_STAGE_4; + mdata->max_target_zorder = 4; /* excluding base layer */ mdata->max_cursor_size = 64; } }