diff options
Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0040-DSS2-Provided-proper-exclusion-for-destination-colo.patch')
| -rw-r--r-- | meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0040-DSS2-Provided-proper-exclusion-for-destination-colo.patch | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0040-DSS2-Provided-proper-exclusion-for-destination-colo.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0040-DSS2-Provided-proper-exclusion-for-destination-colo.patch new file mode 100644 index 0000000000..66be75f3f7 --- /dev/null +++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/dss2/0040-DSS2-Provided-proper-exclusion-for-destination-colo.patch @@ -0,0 +1,97 @@ +From a5129f272a48aa22629137c9c31e60eddb8c3f5d Mon Sep 17 00:00:00 2001 +From: Hardik Shah <hardik.shah@ti.com> +Date: Fri, 17 Apr 2009 14:24:46 +0530 +Subject: [PATCH] DSS2: Provided proper exclusion for destination color keying and alpha blending. + +OMAP does not support destination color key and alpha blending +simultaneously. So this patch does not allow the user +so set both at a time. + +Signed-off-by: Hardik Shah <hardik.shah@ti.com> +--- + drivers/video/omap2/dss/manager.c | 50 ++++++++++++++++++++++++++++++++++++- + 1 files changed, 49 insertions(+), 1 deletions(-) + +diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c +index 7965a84..108489c 100644 +--- a/drivers/video/omap2/dss/manager.c ++++ b/drivers/video/omap2/dss/manager.c +@@ -137,12 +137,26 @@ static ssize_t manager_color_key_type_store(struct omap_overlay_manager *mgr, + u32 key_value; + + for (key_type = OMAP_DSS_COLOR_KEY_GFX_DST; +- key_type < ARRAY_SIZE(color_key_type_str); key_type++) { ++ key_type < ARRAY_SIZE(color_key_type_str); key_type++) { + if (sysfs_streq(buf, color_key_type_str[key_type])) + break; + } + if (key_type == ARRAY_SIZE(color_key_type_str)) + return -EINVAL; ++ /* OMAP does not support destination color key and alpha blending ++ * simultaneously. So if alpha blending and color keying both are ++ * enabled then refrain from setting the color key type to ++ * gfx-destination ++ */ ++ if (!key_type) { ++ bool color_key_enabled; ++ bool alpha_blending_enabled; ++ color_key_enabled = mgr->get_trans_key_status(mgr); ++ alpha_blending_enabled = mgr->get_alpha_blending_status(mgr); ++ if (color_key_enabled && alpha_blending_enabled) ++ return -EINVAL; ++ } ++ + mgr->get_trans_key_type_and_value(mgr, NULL, &key_value); + mgr->set_trans_key_type_and_value(mgr, key_type, key_value); + +@@ -188,6 +202,23 @@ static ssize_t manager_color_key_enabled_store(struct omap_overlay_manager *mgr, + if (sscanf(buf, "%d", &enable) != 1) + return -EINVAL; + ++ /* OMAP does not support destination color keying and ++ * alpha blending simultaneously. so if alpha blending ++ * is enabled refrain from enabling destination color ++ * keying. ++ */ ++ if (enable) { ++ bool enabled; ++ enabled = mgr->get_alpha_blending_status(mgr); ++ if (enabled) { ++ enum omap_dss_color_key_type key_type; ++ mgr->get_trans_key_type_and_value(mgr, ++ &key_type, NULL); ++ if (!key_type) ++ return -EINVAL; ++ } ++ ++ } + mgr->enable_trans_key(mgr, enable); + + return size; +@@ -205,6 +236,23 @@ static ssize_t manager_alpha_blending_enabled_store( + int enable; + if (sscanf(buf, "%d", &enable) != 1) + return -EINVAL; ++ /* OMAP does not support destination color keying and ++ * alpha blending simultaneously. so if destination ++ * color keying is enabled refrain from enabling ++ * alpha blending ++ */ ++ if (enable) { ++ bool enabled; ++ enabled = mgr->get_trans_key_status(mgr); ++ if (enabled) { ++ enum omap_dss_color_key_type key_type; ++ mgr->get_trans_key_type_and_value(mgr, &key_type, NULL); ++ if (!key_type) ++ return -EINVAL; ++ ++ } ++ ++ } + mgr->enable_alpha_blending(mgr, enable); + return size; + } +-- +1.5.6.5 + |