diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0081-DSS2-Reset-WSS-data-only-when-changing-TV-standard.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0081-DSS2-Reset-WSS-data-only-when-changing-TV-standard.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0081-DSS2-Reset-WSS-data-only-when-changing-TV-standard.patch b/recipes/linux/linux-omap-pm/dss2/0081-DSS2-Reset-WSS-data-only-when-changing-TV-standard.patch new file mode 100644 index 0000000000..239465729e --- /dev/null +++ b/recipes/linux/linux-omap-pm/dss2/0081-DSS2-Reset-WSS-data-only-when-changing-TV-standard.patch @@ -0,0 +1,54 @@ +From 6a853312fa903f4369af3ea485c86753aca556fc Mon Sep 17 00:00:00 2001 +From: =?utf-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@nokia.com> +Date: Tue, 26 May 2009 16:14:49 +0200 +Subject: [PATCH 081/146] DSS2: Reset WSS data only when changing TV standard +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: 8bit + +Do not reset the the WSS data every time the display is enabled. Only +reset it when the TV standard changes since PAL and NTSC use different +WSS data layouts. + +Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com> +--- + drivers/video/omap2/dss/venc.c | 9 +++++++-- + 1 files changed, 7 insertions(+), 2 deletions(-) + +diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c +index 02286b8..b0f0795 100644 +--- a/drivers/video/omap2/dss/venc.c ++++ b/drivers/video/omap2/dss/venc.c +@@ -406,6 +406,8 @@ int venc_init(void) + + mutex_init(&venc.venc_lock); + ++ venc.wss_data = 0; ++ + venc_panel.timings = omap_dss_pal_timings; + + venc.base = ioremap(VENC_BASE, SZ_1K); +@@ -483,8 +485,6 @@ static int venc_enable_display(struct omap_display *display) + goto err; + } + +- venc.wss_data = 0; +- + venc_power_on(display); + + display->state = OMAP_DSS_DISPLAY_ACTIVE; +@@ -570,6 +570,11 @@ static void venc_set_timings(struct omap_display *display, + struct omap_video_timings *timings) + { + DSSDBG("venc_set_timings\n"); ++ ++ /* Reset WSS data when the TV standard changes. */ ++ if (memcmp(&display->panel->timings, timings, sizeof(*timings))) ++ venc.wss_data = 0; ++ + display->panel->timings = *timings; + if (display->state == OMAP_DSS_DISPLAY_ACTIVE) { + /* turn the venc off and on to get new timings to use */ +-- +1.6.2.4 + |