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authorMichel Thierry2017-08-30 20:01:15 +0200
committerChris Wilson2017-09-08 21:07:06 +0200
commita2d3d2655ea6d09edfcc6d9b11fb58729c8d5b95 (patch)
tree76714728c6b8ae47c2d24b5ba74f12bc3f7d8d23 /drivers/gpu/drm/i915/intel_ringbuffer.c
parentMerge tag 'gvt-next-2017-09-08' of https://github.com/01org/gvt-linux into dr... (diff)
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drm/i915: Add a default case in gen7 hwsp switch-case
Gen7 won't get any new engines, and we already added VCS2 there to just silence gcc's not handled in switch warnings. Use a default case instead, otherwise we will need to keep adding extra cases if changes happen in the future. v2: Since reaching the default case is impossible, use GEM_BUG_ON (Chris). Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Michel Thierry <michel.thierry@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170830180115.907-1-michel.thierry@intel.com Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index cdf084ef5aae..268342433a8e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -402,17 +402,18 @@ static void intel_ring_setup_status_page(struct intel_engine_cs *engine)
*/
if (IS_GEN7(dev_priv)) {
switch (engine->id) {
+ /*
+ * No more rings exist on Gen7. Default case is only to shut up
+ * gcc switch check warning.
+ */
+ default:
+ GEM_BUG_ON(engine->id);
case RCS:
mmio = RENDER_HWS_PGA_GEN7;
break;
case BCS:
mmio = BLT_HWS_PGA_GEN7;
break;
- /*
- * VCS2 actually doesn't exist on Gen7. Only shut up
- * gcc switch check warning
- */
- case VCS2:
case VCS:
mmio = BSD_HWS_PGA_GEN7;
break;