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Subject[PATCH 7/9] drm/i915/gvt: Constify formats
Date
These are never modified, so make them const to allow the compiler to
put them in read-only memory. WHile at it, make the description const
char* since it is never modified.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
---
drivers/gpu/drm/i915/gvt/fb_decoder.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c
index 11a8baba6822..3c8736ae8fed 100644
--- a/drivers/gpu/drm/i915/gvt/fb_decoder.c
+++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c
@@ -40,12 +40,12 @@

#define PRIMARY_FORMAT_NUM 16
struct pixel_format {
- int drm_format; /* Pixel format in DRM definition */
- int bpp; /* Bits per pixel, 0 indicates invalid */
- char *desc; /* The description */
+ int drm_format; /* Pixel format in DRM definition */
+ int bpp; /* Bits per pixel, 0 indicates invalid */
+ const char *desc; /* The description */
};

-static struct pixel_format bdw_pixel_formats[] = {
+static const struct pixel_format bdw_pixel_formats[] = {
{DRM_FORMAT_C8, 8, "8-bit Indexed"},
{DRM_FORMAT_RGB565, 16, "16-bit BGRX (5:6:5 MSB-R:G:B)"},
{DRM_FORMAT_XRGB8888, 32, "32-bit BGRX (8:8:8:8 MSB-X:R:G:B)"},
@@ -58,7 +58,7 @@ static struct pixel_format bdw_pixel_formats[] = {
{0, 0, NULL},
};

-static struct pixel_format skl_pixel_formats[] = {
+static const struct pixel_format skl_pixel_formats[] = {
{DRM_FORMAT_YUYV, 16, "16-bit packed YUYV (8:8:8:8 MSB-V:Y2:U:Y1)"},
{DRM_FORMAT_UYVY, 16, "16-bit packed UYVY (8:8:8:8 MSB-Y2:V:Y1:U)"},
{DRM_FORMAT_YVYU, 16, "16-bit packed YVYU (8:8:8:8 MSB-U:Y2:V:Y1)"},
@@ -278,14 +278,14 @@ int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,

#define CURSOR_FORMAT_NUM (1 << 6)
struct cursor_mode_format {
- int drm_format; /* Pixel format in DRM definition */
- u8 bpp; /* Bits per pixel; 0 indicates invalid */
- u32 width; /* In pixel */
- u32 height; /* In lines */
- char *desc; /* The description */
+ int drm_format; /* Pixel format in DRM definition */
+ u8 bpp; /* Bits per pixel; 0 indicates invalid */
+ u32 width; /* In pixel */
+ u32 height; /* In lines */
+ const char *desc; /* The description */
};

-static struct cursor_mode_format cursor_pixel_formats[] = {
+static const struct cursor_mode_format cursor_pixel_formats[] = {
{DRM_FORMAT_ARGB8888, 32, 128, 128, "128x128 32bpp ARGB"},
{DRM_FORMAT_ARGB8888, 32, 256, 256, "256x256 32bpp ARGB"},
{DRM_FORMAT_ARGB8888, 32, 64, 64, "64x64 32bpp ARGB"},
@@ -391,7 +391,7 @@ int intel_vgpu_decode_cursor_plane(struct intel_vgpu *vgpu,

#define SPRITE_FORMAT_NUM (1 << 3)

-static struct pixel_format sprite_pixel_formats[SPRITE_FORMAT_NUM] = {
+static const struct pixel_format sprite_pixel_formats[SPRITE_FORMAT_NUM] = {
[0x0] = {DRM_FORMAT_YUV422, 16, "YUV 16-bit 4:2:2 packed"},
[0x1] = {DRM_FORMAT_XRGB2101010, 32, "RGB 32-bit 2:10:10:10"},
[0x2] = {DRM_FORMAT_XRGB8888, 32, "RGB 32-bit 8:8:8:8"},
--
2.34.1
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