From: Jackie Li Date: Tue, 13 Mar 2018 17:32:49 -0700 Subject: drm/i915/guc: Rename guc_ggtt_offset to intel_guc_ggtt_offset Git-commit: 3c009e3c468a9c095343febca7de6397c0e78b7d Patch-mainline: v4.18-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 GuC related exported functions should start with "intel_guc_" prefix and pass intel_guc as the first parameter since its GuC related. Current guc_ggtt_offset() failed to follow this code convention and this is a problem for future patches that needs to access intel_guc data to verify the GGTT offset against the GuC WOPCM top. This patch renames the guc_ggtt_offset to intel_guc_ggtt_offset and updates the related code to pass intel_guc pointer to this function call, so that we can have a unified coding style for GuC code and also enable the future patches to get GuC related data from intel_guc to do the offset verification. Meanwhile, this patch also moves the GUC_GGTT_TOP from intel_guc_regs.h to intel_guc.h since it is not GuC register related definition. v8: - Fixed coding style issues and moved GUC_GGTT_TOP to intel_guc.h (Sagar) - Updated commit message to explain to reason and motivation to add intel_guc as the first parameter of intel_guc_ggtt_offset (Chris) v9: - Fixed code alignment issue due to line break (Chris) v10: - Removed unnecessary comments, redundant code and avoided reuse variable to avoid potential issues (Joonas) v13: - Updated the ordering of s-o-b/cc/r-b tags (Sagar) Signed-off-by: Jackie Li Cc: Michal Wajdeczko Cc: Sagar Arun Kamble Cc: Chris Wilson Cc: Joonas Lahtinen Reviewed-by: Sagar Arun Kamble (v8) Reviewed-by: Joonas Lahtinen (v9) Reviewed-by: Michal Wajdeczko (v11) Reviewed-by: Joonas Lahtinen (v12) Reviewed-by: Joonas Lahtinen Signed-off-by: Joonas Lahtinen Link: https://patchwork.freedesktop.org/patch/msgid/1520987574-19351-1-git-send-email-yaodong.li@intel.com Acked-by: Petr Tesarik --- drivers/gpu/drm/i915/intel_guc.c | 11 ++++++----- drivers/gpu/drm/i915/intel_guc.h | 14 ++++++++++++-- drivers/gpu/drm/i915/intel_guc_ads.c | 8 ++++---- drivers/gpu/drm/i915/intel_guc_ct.c | 5 +++-- drivers/gpu/drm/i915/intel_guc_fw.c | 2 +- drivers/gpu/drm/i915/intel_guc_log.c | 2 +- drivers/gpu/drm/i915/intel_guc_reg.h | 3 --- drivers/gpu/drm/i915/intel_guc_submission.c | 10 +++++----- drivers/gpu/drm/i915/intel_huc.c | 3 ++- drivers/gpu/drm/i915/intel_huc_fw.c | 3 ++- 10 files changed, 36 insertions(+), 25 deletions(-) --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/intel_guc.c @@ -269,8 +269,9 @@ void intel_guc_init_params(struct intel_ /* If GuC submission is enabled, set up additional parameters here */ if (USES_GUC_SUBMISSION(dev_priv)) { - u32 ads = guc_ggtt_offset(guc->ads_vma) >> PAGE_SHIFT; - u32 pgs = guc_ggtt_offset(dev_priv->guc.stage_desc_pool); + u32 ads = intel_guc_ggtt_offset(guc, + guc->ads_vma) >> PAGE_SHIFT; + u32 pgs = intel_guc_ggtt_offset(guc, guc->stage_desc_pool); u32 ctx_in_16 = GUC_MAX_STAGE_DESCRIPTORS / 16; params[GUC_CTL_DEBUG] |= ads << GUC_ADS_ADDR_SHIFT; @@ -447,7 +448,7 @@ int intel_guc_suspend(struct intel_guc * u32 data[] = { INTEL_GUC_ACTION_ENTER_S_STATE, GUC_POWER_D1, /* any value greater than GUC_POWER_D0 */ - guc_ggtt_offset(guc->shared_data) + intel_guc_ggtt_offset(guc, guc->shared_data) }; return intel_guc_send(guc, data, ARRAY_SIZE(data)); @@ -471,7 +472,7 @@ int intel_guc_reset_engine(struct intel_ data[3] = 0; data[4] = 0; data[5] = guc->execbuf_client->stage_id; - data[6] = guc_ggtt_offset(guc->shared_data); + data[6] = intel_guc_ggtt_offset(guc, guc->shared_data); return intel_guc_send(guc, data, ARRAY_SIZE(data)); } @@ -485,7 +486,7 @@ int intel_guc_resume(struct intel_guc *g u32 data[] = { INTEL_GUC_ACTION_EXIT_S_STATE, GUC_POWER_D0, - guc_ggtt_offset(guc->shared_data) + intel_guc_ggtt_offset(guc, guc->shared_data) }; return intel_guc_send(guc, data, ARRAY_SIZE(data)); --- a/drivers/gpu/drm/i915/intel_guc.h +++ b/drivers/gpu/drm/i915/intel_guc.h @@ -100,13 +100,23 @@ static inline void intel_guc_notify(stru guc->notify(guc); } -/* +/* GuC addresses above GUC_GGTT_TOP also don't map through the GTT */ +#define GUC_GGTT_TOP 0xFEE00000 + +/** + * intel_guc_ggtt_offset() - Get and validate the GGTT offset of @vma + * @guc: intel_guc structure. + * @vma: i915 graphics virtual memory area. + * * GuC does not allow any gfx GGTT address that falls into range [0, WOPCM_TOP), * which is reserved for Boot ROM, SRAM and WOPCM. Currently this top address is * 512K. In order to exclude 0-512K address space from GGTT, all gfx objects * used by GuC is pinned with PIN_OFFSET_BIAS along with size of WOPCM. + * + * Return: GGTT offset that meets the GuC gfx address requirement. */ -static inline u32 guc_ggtt_offset(struct i915_vma *vma) +static inline u32 intel_guc_ggtt_offset(struct intel_guc *guc, + struct i915_vma *vma) { u32 offset = i915_ggtt_offset(vma); --- a/drivers/gpu/drm/i915/intel_guc_ads.c +++ b/drivers/gpu/drm/i915/intel_guc_ads.c @@ -75,7 +75,7 @@ static void guc_policies_init(struct guc int intel_guc_ads_create(struct intel_guc *guc) { struct drm_i915_private *dev_priv = guc_to_i915(guc); - struct i915_vma *vma; + struct i915_vma *vma, *kernel_ctx_vma; struct page *page; /* The ads obj includes the struct itself and buffers passed to GuC */ struct { @@ -121,9 +121,9 @@ int intel_guc_ads_create(struct intel_gu * to find it. Note that we have to skip our header (1 page), * because our GuC shared data is there. */ + kernel_ctx_vma = dev_priv->kernel_context->engine[RCS].state; blob->ads.golden_context_lrca = - guc_ggtt_offset(dev_priv->kernel_context->engine[RCS].state) + - skipped_offset; + intel_guc_ggtt_offset(guc, kernel_ctx_vma) + skipped_offset; /* * The GuC expects us to exclude the portion of the context image that @@ -135,7 +135,7 @@ int intel_guc_ads_create(struct intel_gu blob->ads.eng_state_size[engine->guc_id] = engine->context_size - skipped_size; - base = guc_ggtt_offset(vma); + base = intel_guc_ggtt_offset(guc, vma); blob->ads.scheduler_policies = base + ptr_offset(blob, policies); blob->ads.reg_state_buffer = base + ptr_offset(blob, reg_state_buffer); blob->ads.reg_state_addr = base + ptr_offset(blob, reg_state); --- a/drivers/gpu/drm/i915/intel_guc_ct.c +++ b/drivers/gpu/drm/i915/intel_guc_ct.c @@ -156,7 +156,8 @@ static int ctch_init(struct intel_guc *g err = PTR_ERR(blob); goto err_vma; } - DRM_DEBUG_DRIVER("CT: vma base=%#x\n", guc_ggtt_offset(ctch->vma)); + DRM_DEBUG_DRIVER("CT: vma base=%#x\n", + intel_guc_ggtt_offset(guc, ctch->vma)); /* store pointers to desc and cmds */ for (i = 0; i < ARRAY_SIZE(ctch->ctbs); i++) { @@ -202,7 +203,7 @@ static int ctch_open(struct intel_guc *g } /* vma should be already allocated and map'ed */ - base = guc_ggtt_offset(ctch->vma); + base = intel_guc_ggtt_offset(guc, ctch->vma); /* (re)initialize descriptors * cmds buffers are in the second half of the blob page --- a/drivers/gpu/drm/i915/intel_guc_fw.c +++ b/drivers/gpu/drm/i915/intel_guc_fw.c @@ -165,7 +165,7 @@ static int guc_xfer_ucode(struct intel_g I915_WRITE(DMA_COPY_SIZE, guc_fw->header_size + guc_fw->ucode_size); /* Set the source address for the new blob */ - offset = guc_ggtt_offset(vma) + guc_fw->header_offset; + offset = intel_guc_ggtt_offset(guc, vma) + guc_fw->header_offset; I915_WRITE(DMA_ADDR_0_LOW, lower_32_bits(offset)); I915_WRITE(DMA_ADDR_0_HIGH, upper_32_bits(offset) & 0xFFFF); --- a/drivers/gpu/drm/i915/intel_guc_log.c +++ b/drivers/gpu/drm/i915/intel_guc_log.c @@ -581,7 +581,7 @@ int intel_guc_log_create(struct intel_gu (GUC_LOG_ISR_PAGES << GUC_LOG_ISR_SHIFT) | (GUC_LOG_CRASH_PAGES << GUC_LOG_CRASH_SHIFT); - offset = guc_ggtt_offset(vma) >> PAGE_SHIFT; /* in pages */ + offset = intel_guc_ggtt_offset(guc, vma) >> PAGE_SHIFT; guc->log.flags = (offset << GUC_LOG_BUF_ADDR_SHIFT) | flags; return 0; --- a/drivers/gpu/drm/i915/intel_guc_reg.h +++ b/drivers/gpu/drm/i915/intel_guc_reg.h @@ -80,9 +80,6 @@ #define GUC_WOPCM_TOP (0x80 << 12) /* 512KB */ #define BXT_GUC_WOPCM_RC6_RESERVED (0x10 << 12) /* 64KB */ -/* GuC addresses above GUC_GGTT_TOP also don't map through the GTT */ -#define GUC_GGTT_TOP 0xFEE00000 - #define GEN8_GT_PM_CONFIG _MMIO(0x138140) #define GEN9LP_GT_PM_CONFIG _MMIO(0x138140) #define GEN9_GT_PM_CONFIG _MMIO(0x13816c) --- a/drivers/gpu/drm/i915/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/intel_guc_submission.c @@ -386,8 +386,8 @@ static void guc_stage_desc_init(struct i lrc->context_desc = lower_32_bits(ce->lrc_desc); /* The state page is after PPHWSP */ - lrc->ring_lrca = - guc_ggtt_offset(ce->state) + LRC_STATE_PN * PAGE_SIZE; + lrc->ring_lrca = intel_guc_ggtt_offset(guc, ce->state) + + LRC_STATE_PN * PAGE_SIZE; /* XXX: In direct submission, the GuC wants the HW context id * here. In proxy submission, it wants the stage id @@ -395,7 +395,7 @@ static void guc_stage_desc_init(struct i lrc->context_id = (client->stage_id << GUC_ELC_CTXID_OFFSET) | (guc_engine_id << GUC_ELC_ENGINE_OFFSET); - lrc->ring_begin = guc_ggtt_offset(ce->ring->vma); + lrc->ring_begin = intel_guc_ggtt_offset(guc, ce->ring->vma); lrc->ring_end = lrc->ring_begin + ce->ring->size - 1; lrc->ring_next_free_location = lrc->ring_begin; lrc->ring_current_tail_pointer_value = 0; @@ -411,7 +411,7 @@ static void guc_stage_desc_init(struct i * The doorbell, process descriptor, and workqueue are all parts * of the client object, which the GuC will reference via the GGTT */ - gfx_addr = guc_ggtt_offset(client->vma); + gfx_addr = intel_guc_ggtt_offset(guc, client->vma); desc->db_trigger_phy = sg_dma_address(client->vma->pages->sgl) + client->doorbell_offset; desc->db_trigger_cpu = ptr_to_u64(__get_doorbell(client)); @@ -584,7 +584,7 @@ static void inject_preempt_context(struc data[3] = engine->guc_id; data[4] = guc->execbuf_client->priority; data[5] = guc->execbuf_client->stage_id; - data[6] = guc_ggtt_offset(guc->shared_data); + data[6] = intel_guc_ggtt_offset(guc, guc->shared_data); if (WARN_ON(intel_guc_send(guc, data, ARRAY_SIZE(data)))) { execlists_clear_active(&engine->execlists, --- a/drivers/gpu/drm/i915/intel_huc.c +++ b/drivers/gpu/drm/i915/intel_huc.c @@ -63,7 +63,8 @@ int intel_huc_auth(struct intel_huc *huc } ret = intel_guc_auth_huc(guc, - guc_ggtt_offset(vma) + huc->fw.rsa_offset); + intel_guc_ggtt_offset(guc, vma) + + huc->fw.rsa_offset); if (ret) { DRM_ERROR("HuC: GuC did not ack Auth request %d\n", ret); goto fail_unpin; --- a/drivers/gpu/drm/i915/intel_huc_fw.c +++ b/drivers/gpu/drm/i915/intel_huc_fw.c @@ -118,7 +118,8 @@ static int huc_fw_xfer(struct intel_uc_f intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); /* Set the source address for the uCode */ - offset = guc_ggtt_offset(vma) + huc_fw->header_offset; + offset = intel_guc_ggtt_offset(&dev_priv->guc, vma) + + huc_fw->header_offset; I915_WRITE(DMA_ADDR_0_LOW, lower_32_bits(offset)); I915_WRITE(DMA_ADDR_0_HIGH, upper_32_bits(offset) & 0xFFFF);