From 8ac27ea8f0c2692a8224e363d3fdb39211107db1 Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Fri, 16 Jul 2021 16:08:00 +0200
Subject: drm/repaper: Use framebuffer dma-buf helpers
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Git-commit: baf6c24bacdde421823cf14420c84d610c1eda51
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Replace dma_buf_begin_cpu_access() with drm_gem_fb_begin_cpu_access();
same for _end_cpu_access(). Remove some boiler-plate code. No functional
changes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210716140801.1215-7-tzimmermann@suse.de
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/tiny/repaper.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
index 007d9d59f01c..4d07b21a16e6 100644
--- a/drivers/gpu/drm/tiny/repaper.c
+++ b/drivers/gpu/drm/tiny/repaper.c
@@ -14,7 +14,6 @@
*/
#include <linux/delay.h>
-#include <linux/dma-buf.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/property.h>
@@ -532,7 +531,6 @@ static void repaper_gray8_to_mono_reversed(u8 *buf, u32 width, u32 height)
static int repaper_fb_dirty(struct drm_framebuffer *fb)
{
struct drm_gem_cma_object *cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
- struct dma_buf_attachment *import_attach = cma_obj->base.import_attach;
struct repaper_epd *epd = drm_to_epd(fb->dev);
struct drm_rect clip;
int idx, ret = 0;
@@ -558,21 +556,13 @@ static int repaper_fb_dirty(struct drm_framebuffer *fb)
goto out_exit;
}
- if (import_attach) {
- ret = dma_buf_begin_cpu_access(import_attach->dmabuf,
- DMA_FROM_DEVICE);
- if (ret)
- goto out_free;
- }
+ ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
+ if (ret)
+ goto out_free;
drm_fb_xrgb8888_to_gray8(buf, cma_obj->vaddr, fb, &clip);
- if (import_attach) {
- ret = dma_buf_end_cpu_access(import_attach->dmabuf,
- DMA_FROM_DEVICE);
- if (ret)
- goto out_free;
- }
+ drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
repaper_gray8_to_mono_reversed(buf, fb->width, fb->height);
--
2.38.1