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drm/i915/gvt: Constify formats

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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>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20211204105527.15741-8-rikard.falkeborn@gmail.com
Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>
This commit is contained in:
Rikard Falkeborn 2021-12-04 11:55:25 +01:00 committed by Zhi Wang
parent 0b782e6692
commit b17639c7f7
1 changed files with 12 additions and 12 deletions
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24
drivers/gpu/drm/i915/gvt/fb_decoder.c
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@ -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"},