[Intel-gfx] [PATCH] drm/i915/vbt: Fix the timing parameters

[Jani Nikula]

On Fri, 24 Jan 2020, Vandita Kulkarni <vandita.kulkarni at intel.com> 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 at intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> ---
>  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