linux-kernel - [PATCH 03/19] drm/exynos: Use the alpha format helper

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Date:   Tue,  9 Jan 2018 11:56:22 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        thomas@...sch.nl, Inki Dae <inki.dae@...sung.com>,
        Joonyoung Shim <jy0922.shim@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>
Subject: [PATCH 03/19] drm/exynos: Use the alpha format helper

Now that the core has a drm format helper to tell if a format embeds an
alpha component in it, let's use it.

Cc: Inki Dae <inki.dae@...sung.com>
Cc: Joonyoung Shim <jy0922.shim@...sung.com>
Cc: Kyungmin Park <kyungmin.park@...sung.com>
Cc: Seung-Woo Kim <sw0312.kim@...sung.com>
Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index dc5d79465f9b..d7339a6d072c 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -179,18 +179,6 @@ static const u8 filter_cr_horiz_tap4[] = {
 	70,	59,	48,	37,	27,	19,	11,	5,
 };
 
-static inline bool is_alpha_format(unsigned int pixel_format)
-{
-	switch (pixel_format) {
-	case DRM_FORMAT_ARGB8888:
-	case DRM_FORMAT_ARGB1555:
-	case DRM_FORMAT_ARGB4444:
-		return true;
-	default:
-		return false;
-	}
-}
-
 static inline u32 vp_reg_read(struct mixer_context *ctx, u32 reg_id)
 {
 	return readl(ctx->vp_regs + reg_id);
@@ -625,7 +613,7 @@ static void mixer_graph_buffer(struct mixer_context *ctx,
 	mixer_reg_write(ctx, MXR_GRAPHIC_BASE(win), dma_addr);
 
 	mixer_cfg_layer(ctx, win, priority, true);
-	mixer_cfg_gfx_blend(ctx, win, is_alpha_format(fb->format->format));
+	mixer_cfg_gfx_blend(ctx, win, drm_format_has_alpha(fb->format->format));
 
 	/* layer update mandatory for mixer 16.0.33.0 */
 	if (ctx->mxr_ver == MXR_VER_16_0_33_0 ||
-- 
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