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authorRikard Falkeborn <rikard.falkeborn@gmail.com>2021-12-04 13:55:23 +0300
committerZhi Wang <zhi.a.wang@intel.com>2022-01-12 10:52:37 +0300
commitca1777797ad84cba3a72b73f74bd80092a7aa220 (patch)
tree59e2989569df5ad972a935895a2af06c762e1637 /drivers/gpu/drm/i915/gvt/handlers.c
parent4642077775a65566c0d25e63bf918fb5e5235163 (diff)
downloadlinux-ca1777797ad84cba3a72b73f74bd80092a7aa220.tar.xz
drm/i915/gvt: Constify gvt_mmio_block
These are never modified, so make them const to allow the compiler to put it in read-only memory. 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/20211204105527.15741-6-rikard.falkeborn@gmail.com Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/handlers.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 805fee4e91ef..3cefaf5527e0 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -3628,11 +3628,11 @@ static int init_bxt_mmio_info(struct intel_gvt *gvt)
return 0;
}
-static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
- unsigned int offset)
+static const struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt,
+ unsigned int offset)
{
unsigned long device = intel_gvt_get_device_type(gvt);
- struct gvt_mmio_block *block = gvt->mmio.mmio_block;
+ const struct gvt_mmio_block *block = gvt->mmio.mmio_block;
int num = gvt->mmio.num_mmio_block;
int i;
@@ -3671,7 +3671,7 @@ void intel_gvt_clean_mmio_info(struct intel_gvt *gvt)
* accessible (should have no F_CMD_ACCESS flag).
* otherwise, need to update cmd_reg_handler in cmd_parser.c
*/
-static struct gvt_mmio_block mmio_blocks[] = {
+static const struct gvt_mmio_block mmio_blocks[] = {
{D_SKL_PLUS, _MMIO(DMC_MMIO_START_RANGE), 0x3000, NULL, NULL},
{D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL},
{D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE,
@@ -3754,7 +3754,7 @@ int intel_gvt_for_each_tracked_mmio(struct intel_gvt *gvt,
int (*handler)(struct intel_gvt *gvt, u32 offset, void *data),
void *data)
{
- struct gvt_mmio_block *block = gvt->mmio.mmio_block;
+ const struct gvt_mmio_block *block = gvt->mmio.mmio_block;
struct intel_gvt_mmio_info *e;
int i, j, ret;
@@ -3872,7 +3872,7 @@ int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset,
struct drm_i915_private *i915 = vgpu->gvt->gt->i915;
struct intel_gvt *gvt = vgpu->gvt;
struct intel_gvt_mmio_info *mmio_info;
- struct gvt_mmio_block *mmio_block;
+ const struct gvt_mmio_block *mmio_block;
gvt_mmio_func func;
int ret;