linux-kernel - [PATCH v2 1/6] drm: replace DRIVER_PREFER_XBGR_30BPP driver flag with mode

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Message-Id: <20180905060445.15008-2-kraxel@redhat.com>
Date:   Wed,  5 Sep 2018 08:04:40 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     michel@...nzer.net, imirkin@...m.mit.edu,
        Gerd Hoffmann <kraxel@...hat.com>,
        Gustavo Padovan <gustavo@...ovan.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Ben Skeggs <bskeggs@...hat.com>,
        linux-kernel@...r.kernel.org (open list),
        nouveau@...ts.freedesktop.org (open list:DRM DRIVER FOR NVIDIA
        GEFORCE/QUADRO GPUS)
Subject: [PATCH v2 1/6] drm: replace DRIVER_PREFER_XBGR_30BPP driver flag with mode_config quirk

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 include/drm/drm_drv.h                   | 1 -
 include/drm/drm_mode_config.h           | 1 +
 drivers/gpu/drm/drm_framebuffer.c       | 4 ++--
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 46a8009784..23b9678137 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -56,7 +56,6 @@ struct drm_printer;
 #define DRIVER_ATOMIC			0x10000
 #define DRIVER_KMS_LEGACY_CONTEXT	0x20000
 #define DRIVER_SYNCOBJ                  0x40000
-#define DRIVER_PREFER_XBGR_30BPP        0x80000
 
 /**
  * struct drm_driver - DRM driver structure
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index a0b202e1d6..5d29f4ba6f 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -809,6 +809,7 @@ struct drm_mode_config {
 
 	/* dumb ioctl parameters */
 	uint32_t preferred_depth, prefer_shadow;
+	bool quirk_addfb_prefer_xbgr_30bpp;
 
 	/**
 	 * @async_page_flip: Does this device support async flips on the primary
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 781af1d42d..17b7b8944d 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -120,8 +120,8 @@ int drm_mode_addfb(struct drm_device *dev, struct drm_mode_fb_cmd *or,
 	r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
 	r.handles[0] = or->handle;
 
-	if (r.pixel_format == DRM_FORMAT_XRGB2101010 &&
-	    dev->driver->driver_features & DRIVER_PREFER_XBGR_30BPP)
+	if (dev->mode_config.quirk_addfb_prefer_xbgr_30bpp &&
+	    r.pixel_format == DRM_FORMAT_XRGB2101010)
 		r.pixel_format = DRM_FORMAT_XBGR2101010;
 
 	ret = drm_mode_addfb2(dev, &r, file_priv);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 8412119bd9..a9bb656058 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -2174,7 +2174,7 @@ nv50_display_create(struct drm_device *dev)
 	nouveau_display(dev)->fini = nv50_display_fini;
 	disp->disp = &nouveau_display(dev)->disp;
 	dev->mode_config.funcs = &nv50_disp_func;
-	dev->driver->driver_features |= DRIVER_PREFER_XBGR_30BPP;
+	dev->mode_config.quirk_addfb_prefer_xbgr_30bpp = true;
 
 	/* small shared memory area we use for notifiers and semaphores */
 	ret = nouveau_bo_new(&drm->client, 4096, 0x1000, TTM_PL_FLAG_VRAM,
-- 
2.9.3