evie/android_kernel_oneplus_msm8998
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Merge "msm: mdss: disable programmable fetch when not in use"

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Linux Build Service Account 2017-03-19 12:40:28 -07:00 • committed by Gerrit - the friendly Code Review server
commit 2eb0277a50
1 changed files with 10 additions and 1 deletions
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11
drivers/video/fbdev/msm/mdss_mdp_intf_video.c
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@ -1790,7 +1790,7 @@ static void mdss_mdp_fetch_end_config(struct mdss_mdp_video_ctx *ctx,
static void mdss_mdp_fetch_start_config(struct mdss_mdp_video_ctx *ctx,
struct mdss_mdp_ctl *ctl)
{
int fetch_start, fetch_enable, v_total, h_total;
int fetch_start = 0, fetch_enable, v_total, h_total;
struct mdss_data_type *mdata;
struct mdss_panel_info *pinfo = &ctl->panel_data->panel_info;
@ -1799,6 +1799,15 @@ static void mdss_mdp_fetch_start_config(struct mdss_mdp_video_ctx *ctx,
pinfo->prg_fet = mdss_mdp_get_prefetch_lines(pinfo);
if (!pinfo->prg_fet) {
pr_debug("programmable fetch is not needed/supported\n");
fetch_enable = mdp_video_read(ctx, MDSS_MDP_REG_INTF_CONFIG);
fetch_enable &= ~BIT(31);
mdp_video_write(ctx, MDSS_MDP_REG_INTF_CONFIG, fetch_enable);
mdp_video_write(ctx, MDSS_MDP_REG_INTF_PROG_FETCH_START,
fetch_start);
MDSS_XLOG(ctx->intf_num, fetch_enable, fetch_start);
return;
}