From 0d925ea02310fa5b99988bfe7942aa010f2a4723 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Wed, 4 Nov 2015 23:20:11 +0200 Subject: [PATCH] drm/i915: Wrap context LRI init in a macro MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We set up a load of LRIs in the logical ring context. Wrap that stuff in a macro to avoid typos with position of each reg/value pair in the context. This also makes it easier to make the register defines type safe. Signed-off-by: Ville Syrjälä Link: http://patchwork.freedesktop.org/patch/msgid/1446672017-24497-24-git-send-email-ville.syrjala@linux.intel.com Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/intel_lrc.c | 91 ++++++++++++++------------------ 1 file changed, 40 insertions(+), 51 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index ebbd64ecc49a..648fc918e60b 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -190,7 +190,12 @@ #define GEN8_CTX_L3LLC_COHERENT (1<<5) #define GEN8_CTX_PRIVILEGE (1<<8) -#define ASSIGN_CTX_PDP(ppgtt, reg_state, n) do { \ +#define ASSIGN_CTX_REG(reg_state, pos, reg, val) do { \ + (reg_state)[(pos)+0] = (reg); \ + (reg_state)[(pos)+1] = (val); \ +} while (0) + +#define ASSIGN_CTX_PDP(ppgtt, reg_state, n) do { \ const u64 _addr = i915_page_dir_dma_addr((ppgtt), (n)); \ reg_state[CTX_PDP ## n ## _UDW+1] = upper_32_bits(_addr); \ reg_state[CTX_PDP ## n ## _LDW+1] = lower_32_bits(_addr); \ @@ -2240,46 +2245,31 @@ populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_o * only for the first context restore: on a subsequent save, the GPU will * recreate this batchbuffer with new values (including all the missing * MI_LOAD_REGISTER_IMM commands that we are not initializing here). */ - if (ring->id == RCS) - reg_state[CTX_LRI_HEADER_0] = MI_LOAD_REGISTER_IMM(14); - else - reg_state[CTX_LRI_HEADER_0] = MI_LOAD_REGISTER_IMM(11); - 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(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH | - CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT | - CTX_CTRL_RS_CTX_ENABLE); - 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); - reg_state[CTX_RING_TAIL+1] = 0; - reg_state[CTX_RING_BUFFER_START] = RING_START(ring->mmio_base); + reg_state[CTX_LRI_HEADER_0] = + MI_LOAD_REGISTER_IMM(ring->id == RCS ? 14 : 11) | MI_LRI_FORCE_POSTED; + ASSIGN_CTX_REG(reg_state, CTX_CONTEXT_CONTROL, RING_CONTEXT_CONTROL(ring), + _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH | + CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT | + CTX_CTRL_RS_CTX_ENABLE)); + ASSIGN_CTX_REG(reg_state, CTX_RING_HEAD, RING_HEAD(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_RING_TAIL, RING_TAIL(ring->mmio_base), 0); /* Ring buffer start address is not known until the buffer is pinned. * It is written to the context image in execlists_update_context() */ - reg_state[CTX_RING_BUFFER_CONTROL] = RING_CTL(ring->mmio_base); - reg_state[CTX_RING_BUFFER_CONTROL+1] = - ((ringbuf->size - PAGE_SIZE) & RING_NR_PAGES) | RING_VALID; - reg_state[CTX_BB_HEAD_U] = RING_BBADDR_UDW(ring->mmio_base); - reg_state[CTX_BB_HEAD_U+1] = 0; - reg_state[CTX_BB_HEAD_L] = RING_BBADDR(ring->mmio_base); - reg_state[CTX_BB_HEAD_L+1] = 0; - reg_state[CTX_BB_STATE] = RING_BBSTATE(ring->mmio_base); - reg_state[CTX_BB_STATE+1] = RING_BB_PPGTT; - reg_state[CTX_SECOND_BB_HEAD_U] = RING_SBBADDR_UDW(ring->mmio_base); - reg_state[CTX_SECOND_BB_HEAD_U+1] = 0; - reg_state[CTX_SECOND_BB_HEAD_L] = RING_SBBADDR(ring->mmio_base); - reg_state[CTX_SECOND_BB_HEAD_L+1] = 0; - reg_state[CTX_SECOND_BB_STATE] = RING_SBBSTATE(ring->mmio_base); - reg_state[CTX_SECOND_BB_STATE+1] = 0; + ASSIGN_CTX_REG(reg_state, CTX_RING_BUFFER_START, RING_START(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_RING_BUFFER_CONTROL, RING_CTL(ring->mmio_base), + ((ringbuf->size - PAGE_SIZE) & RING_NR_PAGES) | RING_VALID); + ASSIGN_CTX_REG(reg_state, CTX_BB_HEAD_U, RING_BBADDR_UDW(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_BB_HEAD_L, RING_BBADDR(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_BB_STATE, RING_BBSTATE(ring->mmio_base), + RING_BB_PPGTT); + ASSIGN_CTX_REG(reg_state, CTX_SECOND_BB_HEAD_U, RING_SBBADDR_UDW(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_SECOND_BB_HEAD_L, RING_SBBADDR(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_SECOND_BB_STATE, RING_SBBSTATE(ring->mmio_base), 0); if (ring->id == RCS) { - reg_state[CTX_BB_PER_CTX_PTR] = RING_BB_PER_CTX_PTR(ring->mmio_base); - reg_state[CTX_BB_PER_CTX_PTR+1] = 0; - reg_state[CTX_RCS_INDIRECT_CTX] = RING_INDIRECT_CTX(ring->mmio_base); - reg_state[CTX_RCS_INDIRECT_CTX+1] = 0; - reg_state[CTX_RCS_INDIRECT_CTX_OFFSET] = RING_INDIRECT_CTX_OFFSET(ring->mmio_base); - reg_state[CTX_RCS_INDIRECT_CTX_OFFSET+1] = 0; + ASSIGN_CTX_REG(reg_state, CTX_BB_PER_CTX_PTR, RING_BB_PER_CTX_PTR(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_RCS_INDIRECT_CTX, RING_INDIRECT_CTX(ring->mmio_base), 0); + ASSIGN_CTX_REG(reg_state, CTX_RCS_INDIRECT_CTX_OFFSET, RING_INDIRECT_CTX_OFFSET(ring->mmio_base), 0); if (ring->wa_ctx.obj) { struct i915_ctx_workarounds *wa_ctx = &ring->wa_ctx; uint32_t ggtt_offset = i915_gem_obj_ggtt_offset(wa_ctx->obj); @@ -2296,18 +2286,17 @@ populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_o 0x01; } } - reg_state[CTX_LRI_HEADER_1] = MI_LOAD_REGISTER_IMM(9); - reg_state[CTX_LRI_HEADER_1] |= MI_LRI_FORCE_POSTED; - reg_state[CTX_CTX_TIMESTAMP] = RING_CTX_TIMESTAMP(ring->mmio_base); - reg_state[CTX_CTX_TIMESTAMP+1] = 0; - reg_state[CTX_PDP3_UDW] = GEN8_RING_PDP_UDW(ring, 3); - reg_state[CTX_PDP3_LDW] = GEN8_RING_PDP_LDW(ring, 3); - reg_state[CTX_PDP2_UDW] = GEN8_RING_PDP_UDW(ring, 2); - reg_state[CTX_PDP2_LDW] = GEN8_RING_PDP_LDW(ring, 2); - reg_state[CTX_PDP1_UDW] = GEN8_RING_PDP_UDW(ring, 1); - reg_state[CTX_PDP1_LDW] = GEN8_RING_PDP_LDW(ring, 1); - reg_state[CTX_PDP0_UDW] = GEN8_RING_PDP_UDW(ring, 0); - reg_state[CTX_PDP0_LDW] = GEN8_RING_PDP_LDW(ring, 0); + reg_state[CTX_LRI_HEADER_1] = MI_LOAD_REGISTER_IMM(9) | MI_LRI_FORCE_POSTED; + ASSIGN_CTX_REG(reg_state, CTX_CTX_TIMESTAMP, RING_CTX_TIMESTAMP(ring->mmio_base), 0); + /* PDP values well be assigned later if needed */ + ASSIGN_CTX_REG(reg_state, CTX_PDP3_UDW, GEN8_RING_PDP_UDW(ring, 3), 0); + ASSIGN_CTX_REG(reg_state, CTX_PDP3_LDW, GEN8_RING_PDP_LDW(ring, 3), 0); + ASSIGN_CTX_REG(reg_state, CTX_PDP2_UDW, GEN8_RING_PDP_UDW(ring, 2), 0); + ASSIGN_CTX_REG(reg_state, CTX_PDP2_LDW, GEN8_RING_PDP_LDW(ring, 2), 0); + ASSIGN_CTX_REG(reg_state, CTX_PDP1_UDW, GEN8_RING_PDP_UDW(ring, 1), 0); + ASSIGN_CTX_REG(reg_state, CTX_PDP1_LDW, GEN8_RING_PDP_LDW(ring, 1), 0); + ASSIGN_CTX_REG(reg_state, CTX_PDP0_UDW, GEN8_RING_PDP_UDW(ring, 0), 0); + ASSIGN_CTX_REG(reg_state, CTX_PDP0_LDW, GEN8_RING_PDP_LDW(ring, 0), 0); if (USES_FULL_48BIT_PPGTT(ppgtt->base.dev)) { /* 64b PPGTT (48bit canonical) @@ -2329,8 +2318,8 @@ populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_o if (ring->id == RCS) { reg_state[CTX_LRI_HEADER_2] = MI_LOAD_REGISTER_IMM(1); - reg_state[CTX_R_PWR_CLK_STATE] = GEN8_R_PWR_CLK_STATE; - reg_state[CTX_R_PWR_CLK_STATE+1] = make_rpcs(dev); + ASSIGN_CTX_REG(reg_state, CTX_R_PWR_CLK_STATE, GEN8_R_PWR_CLK_STATE, + make_rpcs(dev)); } kunmap_atomic(reg_state); -- 2.34.1