Re: [PATCH] drm/i915: fix fastboot pfit disable hack to update pipe w/h

[Jesse Barnes <jbarnes@virtuousgeek.org>]

On Thu, 19 Dec 2013 10:48:01 -0800
Jesse Barnes <jbarnes@virtuousgeek.org> wrote:

> When fastbooting, we read out the pipe timings early on, and then in a
> panel fitted config, disable the fitter later.  But we weren't updating
> the pipe src h/w, which meant the mouse cursor was clipped to the
> pfitted size rather than the native size set later.  Fix that up so the
> cursor is visible in the new mode.
> 
> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
> ---
>  drivers/gpu/drm/i915/intel_display.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 4d1357a..7e46d75 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2382,6 +2382,8 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
>  			I915_WRITE(PF_WIN_POS(intel_crtc->pipe), 0);
>  			I915_WRITE(PF_WIN_SZ(intel_crtc->pipe), 0);
>  		}
> +		intel_crtc->config.pipe_src_w = adjusted_mode->crtc_hdisplay;
> +		intel_crtc->config.pipe_src_h = adjusted_mode->crtc_vdisplay;
>  	}
>  
>  	ret = dev_priv->display.update_plane(crtc, fb, x, y);

References: https://bugzilla.kernel.org/show_bug.cgi?id=67591

-- 
Jesse Barnes, Intel Open Source Technology Center