[PATCH v2 2/4] drm: lcdif: Don't use BIT() for multi-bit register fields
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Wed Sep 28 00:58:10 UTC 2022
The BIT() macro is meant to represent a single bit. Don't use it for
values of register fields that span multiple bits.
Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
Changes since v1:
- Use hex for field values
---
drivers/gpu/drm/mxsfb/lcdif_regs.h | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/mxsfb/lcdif_regs.h b/drivers/gpu/drm/mxsfb/lcdif_regs.h
index 013f2cace2a0..0d5d9bedd94a 100644
--- a/drivers/gpu/drm/mxsfb/lcdif_regs.h
+++ b/drivers/gpu/drm/mxsfb/lcdif_regs.h
@@ -138,9 +138,9 @@
#define DISP_PARA_DISP_ON BIT(31)
#define DISP_PARA_SWAP_EN BIT(30)
-#define DISP_PARA_LINE_PATTERN_UYVY_H (GENMASK(29, 28) | BIT(26))
-#define DISP_PARA_LINE_PATTERN_RGB565 GENMASK(28, 26)
-#define DISP_PARA_LINE_PATTERN_RGB888 0
+#define DISP_PARA_LINE_PATTERN_UYVY_H (0xd << 26)
+#define DISP_PARA_LINE_PATTERN_RGB565 (0x7 << 26)
+#define DISP_PARA_LINE_PATTERN_RGB888 (0x0 << 26)
#define DISP_PARA_LINE_PATTERN_MASK GENMASK(29, 26)
#define DISP_PARA_DISP_MODE_MASK GENMASK(25, 24)
#define DISP_PARA_BGND_R_MASK GENMASK(23, 16)
@@ -202,18 +202,18 @@
#define CTRLDESCL0_5_EN BIT(31)
#define CTRLDESCL0_5_SHADOW_LOAD_EN BIT(30)
-#define CTRLDESCL0_5_BPP_16_RGB565 BIT(26)
-#define CTRLDESCL0_5_BPP_16_ARGB1555 (BIT(26) | BIT(24))
-#define CTRLDESCL0_5_BPP_16_ARGB4444 (BIT(26) | BIT(25))
-#define CTRLDESCL0_5_BPP_YCbCr422 (BIT(26) | BIT(25) | BIT(24))
-#define CTRLDESCL0_5_BPP_24_RGB888 BIT(27)
-#define CTRLDESCL0_5_BPP_32_ARGB8888 (BIT(27) | BIT(24))
-#define CTRLDESCL0_5_BPP_32_ABGR8888 (BIT(27) | BIT(25))
+#define CTRLDESCL0_5_BPP_16_RGB565 (0x4 << 24)
+#define CTRLDESCL0_5_BPP_16_ARGB1555 (0x5 << 24)
+#define CTRLDESCL0_5_BPP_16_ARGB4444 (0x6 << 24)
+#define CTRLDESCL0_5_BPP_YCbCr422 (0x7 << 24)
+#define CTRLDESCL0_5_BPP_24_RGB888 (0x8 << 24)
+#define CTRLDESCL0_5_BPP_32_ARGB8888 (0x9 << 24)
+#define CTRLDESCL0_5_BPP_32_ABGR8888 (0xa << 24)
#define CTRLDESCL0_5_BPP_MASK GENMASK(27, 24)
-#define CTRLDESCL0_5_YUV_FORMAT_Y2VY1U 0
-#define CTRLDESCL0_5_YUV_FORMAT_Y2UY1V BIT(14)
-#define CTRLDESCL0_5_YUV_FORMAT_VY2UY1 BIT(15)
-#define CTRLDESCL0_5_YUV_FORMAT_UY2VY1 (BIT(15) | BIT(14))
+#define CTRLDESCL0_5_YUV_FORMAT_Y2VY1U (0x0 << 14)
+#define CTRLDESCL0_5_YUV_FORMAT_Y2UY1V (0x1 << 14)
+#define CTRLDESCL0_5_YUV_FORMAT_VY2UY1 (0x2 << 14)
+#define CTRLDESCL0_5_YUV_FORMAT_UY2VY1 (0x3 << 14)
#define CTRLDESCL0_5_YUV_FORMAT_MASK GENMASK(15, 14)
#define CSC0_CTRL_CSC_MODE_RGB2YCbCr GENMASK(2, 1)
--
Regards,
Laurent Pinchart
More information about the dri-devel
mailing list