On Fri, 24 Jan 2020, Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx> wrote:
> Fix htotal and vtotal parameters derived from
> DTD block of VBT.
>
> Fixes: 33ef6d4fd8df ("drm/i915/vbt: Handle generic DTD block")
> Signed-off-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_bios.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index 1e675aa55938..942a073d5768 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -366,14 +366,16 @@ parse_generic_dtd(struct drm_i915_private *dev_priv,
> panel_fixed_mode->hdisplay + dtd->hfront_porch;
> panel_fixed_mode->hsync_end =
> panel_fixed_mode->hsync_start + dtd->hsync;
> - panel_fixed_mode->htotal = panel_fixed_mode->hsync_end;
> + panel_fixed_mode->htotal =
> + panel_fixed_mode->hdisplay + dtd->hblank;
>
> panel_fixed_mode->vdisplay = dtd->vactive;
> panel_fixed_mode->vsync_start =
> panel_fixed_mode->vdisplay + dtd->vfront_porch;
> panel_fixed_mode->vsync_end =
> panel_fixed_mode->vsync_start + dtd->vsync;
> - panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end;
> + panel_fixed_mode->vtotal =
> + panel_fixed_mode->vdisplay + dtd->vblank;
>
> panel_fixed_mode->clock = dtd->pixel_clock;
> panel_fixed_mode->width_mm = dtd->width_mm;
--
Jani Nikula, Intel Open Source Graphics Center
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