Feel free to use:
Reviewed-by: Rodrigo Vivi <rodrigo.v...@gmail.com>
On Thu, Sep 20, 2012 at 6:36 PM, Paulo Zanoni <przan...@gmail.com> wrote:
> From: Paulo Zanoni <paulo.r.zan...@intel.com>
>
> As noticed by Daniel Vetter, intel_pipe_choose_bpp_dither should
> already check for invalid bpp values and set a valid value, so remove
> the recheck inside ironlake_crtc_mode_set and also replace a "default"
> switch case inside ironlake_set_pipeconf with a BUG().
>
> Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 15 +++------------
> 1 file changed, 3 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 947c97d..eb8248b 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -4624,8 +4624,8 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc,
> val |= PIPE_12BPC;
> break;
> default:
> - val |= PIPE_8BPC;
> - break;
> + /* Case prevented by intel_choose_pipe_bpp_dither. */
> + BUG();
> }
>
> val &= ~(PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_MASK);
> @@ -4726,7 +4726,6 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
> struct fdi_m_n m_n = {0};
> u32 temp;
> int target_clock, pixel_multiplier, lane, link_bw, factor;
> - unsigned int pipe_bpp;
> bool dither;
> bool is_cpu_edp = false, is_pch_edp = false;
>
> @@ -4800,18 +4799,10 @@ static int ironlake_crtc_mode_set(struct drm_crtc
> *crtc,
> target_clock = adjusted_mode->clock;
>
> /* determine panel color depth */
> - dither = intel_choose_pipe_bpp_dither(crtc, fb, &pipe_bpp, mode);
> + dither = intel_choose_pipe_bpp_dither(crtc, fb, &intel_crtc->bpp,
> mode);
> if (is_lvds && dev_priv->lvds_dither)
> dither = true;
>
> - if (pipe_bpp != 18 && pipe_bpp != 24 && pipe_bpp != 30 &&
> - pipe_bpp != 36) {
> - WARN(1, "intel_choose_pipe_bpp returned invalid value %d\n",
> - pipe_bpp);
> - pipe_bpp = 24;
> - }
> - intel_crtc->bpp = pipe_bpp;
> -
> if (!lane) {
> /*
> * Account for spread spectrum to avoid
> --
> 1.7.10.4
>
> _______________________________________________
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> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Rodrigo Vivi
Blog: http://blog.vivi.eng.br
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