On Fri, Jan 4, 2013 at 8:53 AM, Rahul Sharma rahul.sharma@samsung.com wrote:
This patch adds the implementation of check_mode callback in the mixer
s/check_mode/check_timing/
driver. Based on the mixer version, correct set of restrictions will be exposed by the mixer driver. A resolution will be acceptable only if passes the criteria set by mixer and hdmi IPs.
Signed-off-by: Rahul Sharma rahul.sharma@samsung.com Signed-off-by: Sean Paul seanpaul@chromium.org
drivers/gpu/drm/exynos/exynos_mixer.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 21db895..c1f2e7a 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -810,6 +810,29 @@ static void mixer_win_disable(void *ctx, int win) mixer_ctx->win_data[win].enabled = false; }
+int mixer_check_timing(void *ctx, struct fb_videomode *timing) +{
struct mixer_context *mixer_ctx = ctx;unsigned int w, h;
xres and yres are defined as u32 in fb_videomode
w = timing->xres;h = timing->yres;DRM_DEBUG_KMS("%s : xres=%d, yres=%d, refresh=%d, intl=%d\n",__func__, timing->xres, timing->yres,timing->refresh, (timing->vmode &FB_VMODE_INTERLACED) ? true : false);if (mixer_ctx->mxr_ver == MXR_VER_0_0_0_16)return 0;if ((w >= 464 && w <= 720 && h >= 261 && h <= 576) ||(w >= 1024 && w <= 1280 && h >= 576 && h <= 720) ||(w >= 1664 && w <= 1920 && h >= 936 && h <= 1080))return 0;return -EINVAL;+} static void mixer_wait_for_vblank(void *ctx) { struct mixer_context *mixer_ctx = ctx; @@ -947,6 +970,9 @@ static struct exynos_mixer_ops mixer_ops = { .win_mode_set = mixer_win_mode_set, .win_commit = mixer_win_commit, .win_disable = mixer_win_disable,
/* display */.check_timing = mixer_check_timing,};
/* for pageflip event */
1.8.0