[PATCH v2 3/6] drm: move tinydrm_xrgb8888_to_rgb565() to drm_fb_helper.c

Gerd Hoffmann
2019-04-04T15:24:35Z

Also rename to drm_fb_xrgb8888_to_rgb565().
Pure code motion, no functional change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
include/drm/drm_fb_helper.h | 3 ++
include/drm/tinydrm/tinydrm-helpers.h | 3 --
drivers/gpu/drm/drm_fb_helper.c | 45 +++++++++++++++++++
.../gpu/drm/tinydrm/core/tinydrm-helpers.c | 45 -------------------
drivers/gpu/drm/tinydrm/mipi-dbi.c | 2 +-
5 files changed, 49 insertions(+), 49 deletions(-)

diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index a57420f40643..0350c7e9d6ba 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -644,5 +644,8 @@ drm_fb_helper_remove_conflicting_pci_framebuffers(struct pci_dev *pdev,

void drm_fb_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb,
struct drm_rect *clip, bool dstclip);
+void drm_fb_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
+ struct drm_framebuffer *fb,
+ struct drm_rect *clip, bool swap);

#endif
diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h
index 591ca83330c4..220677107e0c 100644
--- a/include/drm/tinydrm/tinydrm-helpers.h
+++ b/include/drm/tinydrm/tinydrm-helpers.h
@@ -48,9 +48,6 @@ int tinydrm_display_pipe_init(struct drm_device *drm,

void tinydrm_swab16(u16 *dst, void *vaddr, struct drm_framebuffer *fb,
struct drm_rect *clip);
-void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
- struct drm_framebuffer *fb,
- struct drm_rect *clip, bool swap);
void tinydrm_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb,
struct drm_rect *clip);

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index fabeb408dce6..087e49741094 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -3380,3 +3380,48 @@ void drm_fb_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb,
}
}
EXPORT_SYMBOL(drm_fb_memcpy);
+
+/**
+ * drm_fb_xrgb8888_to_rgb565 - Convert XRGB8888 to RGB565 clip buffer
+ * @dst: RGB565 destination buffer
+ * @vaddr: XRGB8888 source buffer
+ * @fb: DRM framebuffer
+ * @clip: Clip rectangle area to copy
+ * @swap: Swap bytes
+ *
+ * Drivers can use this function for RGB565 devices that don't natively
+ * support XRGB8888.
+ */
+void drm_fb_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
+ struct drm_framebuffer *fb,
+ struct drm_rect *clip, bool swap)
+{
+ size_t len = (clip->x2 - clip->x1) * sizeof(u32);
+ unsigned int x, y;
+ u32 *src, *buf;
+ u16 val16;
+
+ buf = kmalloc(len, GFP_KERNEL);
+ if (!buf)
+ return;
+
+ for (y = clip->y1; y < clip->y2; y++) {
+ src = vaddr + (y * fb->pitches[0]);
+ src += clip->x1;
+ memcpy(buf, src, len);
+ src = buf;
+ for (x = clip->x1; x < clip->x2; x++) {
+ val16 = ((*src & 0x00F80000) >> 8) |
+ ((*src & 0x0000FC00) >> 5) |
+ ((*src & 0x000000F8) >> 3);
+ src++;
+ if (swap)
+ *dst++ = swab16(val16);
+ else
+ *dst++ = val16;
+ }
+ }
+
+ kfree(buf);
+}
+EXPORT_SYMBOL(drm_fb_xrgb8888_to_rgb565);
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
index f5c6f35e6161..f4b84b15da75 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
@@ -61,51 +61,6 @@ void tinydrm_swab16(u16 *dst, void *vaddr, struct drm_framebuffer *fb,
}
EXPORT_SYMBOL(tinydrm_swab16);

-/**
- * tinydrm_xrgb8888_to_rgb565 - Convert XRGB8888 to RGB565 clip buffer
- * @dst: RGB565 destination buffer
- * @vaddr: XRGB8888 source buffer
- * @fb: DRM framebuffer
- * @clip: Clip rectangle area to copy
- * @swap: Swap bytes
- *
- * Drivers can use this function for RGB565 devices that don't natively
- * support XRGB8888.
- */
-void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
- struct drm_framebuffer *fb,
- struct drm_rect *clip, bool swap)
-{
- size_t len = (clip->x2 - clip->x1) * sizeof(u32);
- unsigned int x, y;
- u32 *src, *buf;
- u16 val16;
-
- buf = kmalloc(len, GFP_KERNEL);
- if (!buf)
- return;
-
- for (y = clip->y1; y < clip->y2; y++) {
- src = vaddr + (y * fb->pitches[0]);
- src += clip->x1;
- memcpy(buf, src, len);
- src = buf;
- for (x = clip->x1; x < clip->x2; x++) {
- val16 = ((*src & 0x00F80000) >> 8) |
- ((*src & 0x0000FC00) >> 5) |
- ((*src & 0x000000F8) >> 3);
- src++;
- if (swap)
- *dst++ = swab16(val16);
- else
- *dst++ = val16;
- }
- }
-
- kfree(buf);
-}
-EXPORT_SYMBOL(tinydrm_xrgb8888_to_rgb565);
-
/**
* tinydrm_xrgb8888_to_gray8 - Convert XRGB8888 to grayscale
* @dst: 8-bit grayscale destination buffer
diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index e26fd61360a3..cf8df5fb7494 100644
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -224,7 +224,7 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
drm_fb_memcpy(dst, src, fb, clip, false);
break;
case DRM_FORMAT_XRGB8888:
- tinydrm_xrgb8888_to_rgb565(dst, src, fb, clip, swap);
+ drm_fb_xrgb8888_to_rgb565(dst, src, fb, clip, swap);
break;
default:
dev_err_once(fb->dev->dev, "Format is not supported: %s\n",
--
2.18.1