From: Oscar Mateo Date: Thu, 11 Jan 2018 22:55:06 +0000 (-0800) Subject: drm/i915: Return a default RCS context size X-Git-Tag: v4.19~298^2~46^2~783 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7ab4adbd921f9ab69bbe10cc1354a9fb59085a71;p=platform%2Fkernel%2Flinux-rpi.git drm/i915: Return a default RCS context size Instead of returning whatever size the latest GEN used. This is because context sizes for new GENs can go up or down, but the only safe thing to do for missing cases is to use the largest known one, whatever that is. Suggested-by: Rodrigo Vivi Reviewed-by: Daniele Ceraolo Spurio Signed-off-by: Oscar Mateo Signed-off-by: Paulo Zanoni Link: https://patchwork.freedesktop.org/patch/msgid/1515711307-28979-1-git-send-email-oscar.mateo@intel.com --- diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index b221610..3639af5 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -38,6 +38,7 @@ */ #define HSW_CXT_TOTAL_SIZE (17 * PAGE_SIZE) +#define DEFAULT_LR_CONTEXT_RENDER_SIZE (22 * PAGE_SIZE) #define GEN8_LR_CONTEXT_RENDER_SIZE (20 * PAGE_SIZE) #define GEN9_LR_CONTEXT_RENDER_SIZE (22 * PAGE_SIZE) #define GEN10_LR_CONTEXT_RENDER_SIZE (18 * PAGE_SIZE) @@ -157,6 +158,7 @@ __intel_engine_context_size(struct drm_i915_private *dev_priv, u8 class) switch (INTEL_GEN(dev_priv)) { default: MISSING_CASE(INTEL_GEN(dev_priv)); + return DEFAULT_LR_CONTEXT_RENDER_SIZE; case 10: return GEN10_LR_CONTEXT_RENDER_SIZE; case 9: