This patch is to preserve the display mode header during the mode adjustment. Display mode header is overwritten with the adjusted mode header which is throwing the stack dump.
Signed-off-by: Rahul Sharma rahul.sharma@samsung.com --- drivers/gpu/drm/exynos/exynos_hdmi.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 2c115f8..be7b676 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1978,9 +1978,18 @@ static void hdmi_mode_fixup(void *ctx, struct drm_connector *connector, index = hdmi_v14_conf_index(m);
if (index >= 0) { + struct drm_mode_object base; + struct list_head head; + DRM_INFO("desired mode doesn't exist so\n"); DRM_INFO("use the most suitable mode among modes.\n"); + + /* preserve display mode header while copying. */ + head = adjusted_mode->head; + base = adjusted_mode->base; memcpy(adjusted_mode, m, sizeof(*m)); + adjusted_mode->head = head; + adjusted_mode->base = base; break; } }
Applied.
Thanks, Inki Dae
2012/11/20 Rahul Sharma rahul.sharma@samsung.com
This patch is to preserve the display mode header during the mode adjustment. Display mode header is overwritten with the adjusted mode header which is throwing the stack dump.
Signed-off-by: Rahul Sharma rahul.sharma@samsung.com
drivers/gpu/drm/exynos/exynos_hdmi.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 2c115f8..be7b676 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1978,9 +1978,18 @@ static void hdmi_mode_fixup(void *ctx, struct drm_connector *connector, index = hdmi_v14_conf_index(m);
if (index >= 0) {
struct drm_mode_object base;
struct list_head head;
DRM_INFO("desired mode doesn't exist so\n"); DRM_INFO("use the most suitable mode among
modes.\n");
/* preserve display mode header while copying. */
head = adjusted_mode->head;
base = adjusted_mode->base; memcpy(adjusted_mode, m, sizeof(*m));
adjusted_mode->head = head;
adjusted_mode->base = base; break; } }
-- 1.7.0.4
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