From 90a764cda1c809b0fe3f2ffe133839421c60faf7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Tue, 15 Oct 2019 22:30:32 +0300
Subject: drm/i915: Add support for half float framebuffers on snb sprites
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Git-commit: 90a764cda1c809b0fe3f2ffe133839421c60faf7
Patch-mainline: v5.5-rc1
References: bsc#1152489
snb supports fp16 pixel formats on the sprite planes. Expose that
capability. Nothing special needs to be done, it just works.
v2: Rebase on top of icl fp16
Split snb+ sprite bits into a separate patch
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015193035.25982-11-ville.syrjala@linux.intel.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/display/intel_sprite.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index db1e2dce6636..edc41fc40726 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -1653,6 +1653,12 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
case DRM_FORMAT_XRGB8888:
dvscntr |= DVS_FORMAT_RGBX888;
break;
+ case DRM_FORMAT_XBGR16161616F:
+ dvscntr |= DVS_FORMAT_RGBX161616 | DVS_RGB_ORDER_XBGR;
+ break;
+ case DRM_FORMAT_XRGB16161616F:
+ dvscntr |= DVS_FORMAT_RGBX161616;
+ break;
case DRM_FORMAT_YUYV:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
break;
@@ -2367,8 +2373,10 @@ static const u64 i9xx_plane_format_modifiers[] = {
};
static const u32 snb_plane_formats[] = {
- DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_XBGR8888,
+ DRM_FORMAT_XRGB16161616F,
+ DRM_FORMAT_XBGR16161616F,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
--
2.28.0