From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/radeon/atombios_crtc.c | 36 ++++++++++++++++++++++++++++++++----
1 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/gpu/drm/radeon/atombios_crtc.c b/kernel/drivers/gpu/drm/radeon/atombios_crtc.c
index efbd581..9181175 100644
--- a/kernel/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/kernel/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -23,11 +23,14 @@
* Authors: Dave Airlie
* Alex Deucher
*/
-#include <drm/drmP.h>
+
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
-#include <drm/radeon_drm.h>
#include <drm/drm_fixed.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_vblank.h>
+#include <drm/radeon_drm.h>
+
#include "radeon.h"
#include "atom.h"
#include "atom-bits.h"
@@ -241,9 +244,8 @@
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
- if (ASIC_IS_DCE8(rdev)) {
+ if (ASIC_IS_DCE8(rdev))
WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control);
- }
}
static void atombios_powergate_crtc(struct drm_crtc *crtc, int state)
@@ -1254,6 +1256,16 @@
/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
bypass_lut = true;
break;
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_ABGR8888:
+ fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
+ EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
+ fb_swap = (EVERGREEN_GRPH_RED_CROSSBAR(EVERGREEN_GRPH_RED_SEL_B) |
+ EVERGREEN_GRPH_BLUE_CROSSBAR(EVERGREEN_GRPH_BLUE_SEL_R));
+#ifdef __BIG_ENDIAN
+ fb_swap |= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
+#endif
+ break;
default:
DRM_ERROR("Unsupported screen format %s\n",
drm_get_format_name(target_fb->format->format, &format_name));
@@ -1550,6 +1562,21 @@
#endif
/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
bypass_lut = true;
+ break;
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_ABGR8888:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
+ AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
+ if (rdev->family >= CHIP_R600)
+ fb_swap =
+ (R600_D1GRPH_RED_CROSSBAR(R600_D1GRPH_RED_SEL_B) |
+ R600_D1GRPH_BLUE_CROSSBAR(R600_D1GRPH_BLUE_SEL_R));
+ else /* DCE1 (R5xx) */
+ fb_format |= AVIVO_D1GRPH_SWAP_RB;
+#ifdef __BIG_ENDIAN
+ fb_swap |= R600_D1GRPH_SWAP_ENDIAN_32BIT;
+#endif
break;
default:
DRM_ERROR("Unsupported screen format %s\n",
@@ -2204,6 +2231,7 @@
.prepare = atombios_crtc_prepare,
.commit = atombios_crtc_commit,
.disable = atombios_crtc_disable,
+ .get_scanout_position = radeon_get_crtc_scanout_position,
};
void radeon_atombios_init_crtc(struct drm_device *dev,
--
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