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path: root/drivers/gpu/drm/solomon/ssd130x.c
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Diffstat (limited to 'drivers/gpu/drm/solomon/ssd130x.c')
-rw-r--r--drivers/gpu/drm/solomon/ssd130x.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c
index 486d8f5282f9..eec43d1a5595 100644
--- a/drivers/gpu/drm/solomon/ssd130x.c
+++ b/drivers/gpu/drm/solomon/ssd130x.c
@@ -18,9 +18,9 @@
#include <linux/pwm.h>
#include <linux/regulator/consumer.h>
+#include <drm/clients/drm_client_setup.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
-#include <drm/drm_client_setup.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_edid.h>
@@ -39,7 +39,6 @@
#define DRIVER_NAME "ssd130x"
#define DRIVER_DESC "DRM driver for Solomon SSD13xx OLED displays"
-#define DRIVER_DATE "20220131"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
@@ -881,7 +880,7 @@ static int ssd132x_update_rect(struct ssd130x_device *ssd130x,
u8 n1 = buf[i * width + j];
u8 n2 = buf[i * width + j + 1];
- data_array[array_idx++] = (n2 << 4) | n1;
+ data_array[array_idx++] = (n2 & 0xf0) | (n1 >> 4);
}
}
@@ -975,7 +974,7 @@ static void ssd130x_clear_screen(struct ssd130x_device *ssd130x, u8 *data_array)
static void ssd132x_clear_screen(struct ssd130x_device *ssd130x, u8 *data_array)
{
- unsigned int columns = DIV_ROUND_UP(ssd130x->height, SSD132X_SEGMENT_WIDTH);
+ unsigned int columns = DIV_ROUND_UP(ssd130x->width, SSD132X_SEGMENT_WIDTH);
unsigned int height = ssd130x->height;
memset(data_array, 0, columns * height);
@@ -1038,7 +1037,7 @@ static int ssd132x_fb_blit_rect(struct drm_framebuffer *fb,
struct drm_format_conv_state *fmtcnv_state)
{
struct ssd130x_device *ssd130x = drm_to_ssd130x(fb->dev);
- unsigned int dst_pitch = drm_rect_width(rect);
+ unsigned int dst_pitch;
struct iosys_map dst;
int ret = 0;
@@ -1047,6 +1046,8 @@ static int ssd132x_fb_blit_rect(struct drm_framebuffer *fb,
rect->x2 = min_t(unsigned int, round_up(rect->x2, SSD132X_SEGMENT_WIDTH),
ssd130x->width);
+ dst_pitch = drm_rect_width(rect);
+
ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
if (ret)
return ret;
@@ -1784,7 +1785,6 @@ static const struct drm_driver ssd130x_drm_driver = {
DRM_FBDEV_SHMEM_DRIVER_OPS,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
- .date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET,