From 5baa22c59f4e841eb45f8d1299043fb58370e48b Mon Sep 17 00:00:00 2001 From: Zhi Wang Date: Tue, 10 Feb 2015 17:11:36 +0800 Subject: [PATCH] drm/i915: Introduce bit definitions of CTXT_SR_CTRL register. This patch introduces 2 bit definitions of context save/restore control register. Signed-off-by: Zhi Wang Suggested-by: Dave Gordon Cc: Dave Gordon Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_lrc.c | 3 ++- drivers/gpu/drm/i915/intel_lrc.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 091555f34731..c4db49ef4d19 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1666,7 +1666,8 @@ populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_o reg_state[CTX_LRI_HEADER_0] |= MI_LRI_FORCE_POSTED; reg_state[CTX_CONTEXT_CONTROL] = RING_CONTEXT_CONTROL(ring); reg_state[CTX_CONTEXT_CONTROL+1] = - _MASKED_BIT_ENABLE((1<<3) | MI_RESTORE_INHIBIT); + _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH | + CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT); reg_state[CTX_RING_HEAD] = RING_HEAD(ring->mmio_base); reg_state[CTX_RING_HEAD+1] = 0; reg_state[CTX_RING_TAIL] = RING_TAIL(ring->mmio_base); diff --git a/drivers/gpu/drm/i915/intel_lrc.h b/drivers/gpu/drm/i915/intel_lrc.h index 6f2d7da594f6..ced191f73b0e 100644 --- a/drivers/gpu/drm/i915/intel_lrc.h +++ b/drivers/gpu/drm/i915/intel_lrc.h @@ -30,6 +30,8 @@ #define RING_ELSP(ring) ((ring)->mmio_base+0x230) #define RING_EXECLIST_STATUS(ring) ((ring)->mmio_base+0x234) #define RING_CONTEXT_CONTROL(ring) ((ring)->mmio_base+0x244) +#define CTX_CTRL_INHIBIT_SYN_CTX_SWITCH (1 << 3) +#define CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT (1 << 0) #define RING_CONTEXT_STATUS_BUF(ring) ((ring)->mmio_base+0x370) #define RING_CONTEXT_STATUS_PTR(ring) ((ring)->mmio_base+0x3a0) -- 2.20.1