From: Gustavo Padovan gustavo.padovan@collabora.co.uk

When mode's vrefresh is zero we should ask DRM core to calculate vrefresh for us so we can get the correct value instead of relying on fixed value defined in a macro. But if vrefresh is still zero we should fail the update.

Suggested-by: Daniel Stone daniels@collabora.com Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk Signed-off-by: Tobias Jakobi tjakobi@math.uni-bielefeld.de --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index a0edab8..780c9df 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -41,7 +41,6 @@ * CPU Interface. */

-#define FIMD_DEFAULT_FRAMERATE 60 #define MIN_FB_WIDTH_FOR_16WORD_BURST 128

/* position control register for hardware window 0, 2 ~ 4.*/ @@ -329,7 +328,9 @@ static bool fimd_mode_fixup(struct exynos_drm_crtc *crtc, struct drm_display_mode *adjusted_mode) { if (adjusted_mode->vrefresh == 0) - adjusted_mode->vrefresh = FIMD_DEFAULT_FRAMERATE; + adjusted_mode->vrefresh = drm_mode_vrefresh(mode); + if (adjusted_mode->vrefresh == 0) + return false;

return true; } @@ -337,11 +338,16 @@ static bool fimd_mode_fixup(struct exynos_drm_crtc *crtc, static void fimd_commit(struct exynos_drm_crtc *crtc) { struct fimd_context *ctx = crtc->ctx; - struct drm_display_mode *mode = &crtc->base.mode; + struct drm_display_mode *mode; struct fimd_driver_data *driver_data = ctx->driver_data; void *timing_base = ctx->regs + driver_data->timing_base; u32 val, clkdiv;

+ if (crtc->base.state) + mode = &crtc->base.state->adjusted_mode; + else + mode = &crtc->base.mode; + if (ctx->suspended) return;