[Intel-gfx] [PATCH v5 04/10] drm/i915/guc: Add Gen9 registers for GuC error state capture.

Umesh Nerlige Ramappa umesh.nerlige.ramappa at intel.com
Mon Feb 7 19:14:40 UTC 2022


lgtm,

Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>

Umesh

On Wed, Jan 26, 2022 at 02:48:16AM -0800, Alan Previn wrote:
>Abstract out a Gen9 register list as the default for all other
>platforms we don't yet formally support GuC submission on.
>
>Signed-off-by: Alan Previn <alan.previn.teres.alexis at intel.com>
>---
> .../gpu/drm/i915/gt/uc/intel_guc_capture.c    | 74 +++++++++++++++----
> 1 file changed, 58 insertions(+), 16 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
>index 19719daffed4..70d2ee841289 100644
>--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
>+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_capture.c
>@@ -19,15 +19,24 @@
>  * NOTE: For engine-registers, GuC only needs the register offsets
>  *       from the engine-mmio-base
>  */
>+#define COMMON_BASE_GLOBAL() \
>+	{FORCEWAKE_MT,             0,      0, "FORCEWAKE_MT"}
>+
>+#define COMMON_GEN9BASE_GLOBAL() \
>+	{GEN8_FAULT_TLB_DATA0,     0,      0, "GEN8_FAULT_TLB_DATA0"}, \
>+	{GEN8_FAULT_TLB_DATA1,     0,      0, "GEN8_FAULT_TLB_DATA1"}, \
>+	{ERROR_GEN6,               0,      0, "ERROR_GEN6"}, \
>+	{DONE_REG,                 0,      0, "DONE_REG"}, \
>+	{HSW_GTT_CACHE_EN,         0,      0, "HSW_GTT_CACHE_EN"}
>+
> #define COMMON_GEN12BASE_GLOBAL() \
> 	{GEN12_FAULT_TLB_DATA0,    0,      0, "GEN12_FAULT_TLB_DATA0"}, \
> 	{GEN12_FAULT_TLB_DATA1,    0,      0, "GEN12_FAULT_TLB_DATA1"}, \
>-	{FORCEWAKE_MT,             0,      0, "FORCEWAKE_MT"}, \
> 	{GEN12_AUX_ERR_DBG,        0,      0, "GEN12_AUX_ERR_DBG"}, \
> 	{GEN12_GAM_DONE,           0,      0, "GEN12_GAM_DONE"}, \
> 	{GEN12_RING_FAULT_REG,     0,      0, "GEN12_RING_FAULT_REG"}
>
>-#define COMMON_GEN12BASE_ENGINE_INSTANCE() \
>+#define COMMON_BASE_ENGINE_INSTANCE() \
> 	{RING_PSMI_CTL(0),         0,      0, "RING_PSMI_CTL"}, \
> 	{RING_ESR(0),              0,      0, "RING_ESR"}, \
> 	{RING_DMA_FADD(0),         0,      0, "RING_DMA_FADD_LOW32"}, \
>@@ -61,11 +70,13 @@
> 	{GEN8_RING_PDP_LDW(0, 3),  0,      0, "GEN8_RING_PDP3_LDW"}, \
> 	{GEN8_RING_PDP_UDW(0, 3),  0,      0, "GEN8_RING_PDP3_UDW"}
>
>-#define COMMON_GEN12BASE_HAS_EU() \
>+#define COMMON_BASE_HAS_EU() \
> 	{EIR,                      0,      0, "EIR"}
>
>+#define COMMON_BASE_RENDER() \
>+	{GEN7_SC_INSTDONE,         0,      0, "GEN7_SC_INSTDONE"}
>+
> #define COMMON_GEN12BASE_RENDER() \
>-	{GEN7_SC_INSTDONE,         0,      0, "GEN7_SC_INSTDONE"}, \
> 	{GEN12_SC_INSTDONE_EXTRA,  0,      0, "GEN12_SC_INSTDONE_EXTRA"}, \
> 	{GEN12_SC_INSTDONE_EXTRA2, 0,      0, "GEN12_SC_INSTDONE_EXTRA2"}
>
>@@ -77,23 +88,26 @@
>
> /* XE_LPD - Global */
> static struct __guc_mmio_reg_descr xe_lpd_global_regs[] = {
>+	COMMON_BASE_GLOBAL(),
>+	COMMON_GEN9BASE_GLOBAL(),
> 	COMMON_GEN12BASE_GLOBAL(),
> };
>
> /* XE_LPD - Render / Compute Per-Class */
> static struct __guc_mmio_reg_descr xe_lpd_rc_class_regs[] = {
>-	COMMON_GEN12BASE_HAS_EU(),
>+	COMMON_BASE_HAS_EU(),
>+	COMMON_BASE_RENDER(),
> 	COMMON_GEN12BASE_RENDER(),
> };
>
>-/* XE_LPD - Render / Compute Per-Engine-Instance */
>+/* GEN9/XE_LPD - Render / Compute Per-Engine-Instance */
> static struct __guc_mmio_reg_descr xe_lpd_rc_inst_regs[] = {
>-	COMMON_GEN12BASE_ENGINE_INSTANCE(),
>+	COMMON_BASE_ENGINE_INSTANCE(),
> };
>
>-/* XE_LPD - Media Decode/Encode Per-Engine-Instance */
>+/* GEN9/XE_LPD - Media Decode/Encode Per-Engine-Instance */
> static struct __guc_mmio_reg_descr xe_lpd_vd_inst_regs[] = {
>-	COMMON_GEN12BASE_ENGINE_INSTANCE(),
>+	COMMON_BASE_ENGINE_INSTANCE(),
> };
>
> /* XE_LPD - Video Enhancement Per-Class */
>@@ -101,18 +115,33 @@ static struct __guc_mmio_reg_descr xe_lpd_vec_class_regs[] = {
> 	COMMON_GEN12BASE_VEC(),
> };
>
>-/* XE_LPD - Video Enhancement Per-Engine-Instance */
>+/* GEN9/XE_LPD - Video Enhancement Per-Engine-Instance */
> static struct __guc_mmio_reg_descr xe_lpd_vec_inst_regs[] = {
>-	COMMON_GEN12BASE_ENGINE_INSTANCE(),
>+	COMMON_BASE_ENGINE_INSTANCE(),
> };
>
>-/* XE_LPD - Blitter Per-Engine-Instance */
>+/* GEN9/XE_LPD - Blitter Per-Engine-Instance */
> static struct __guc_mmio_reg_descr xe_lpd_blt_inst_regs[] = {
>-	COMMON_GEN12BASE_ENGINE_INSTANCE(),
>+	COMMON_BASE_ENGINE_INSTANCE(),
>+};
>+
>+/* GEN9 - Global */
>+static struct __guc_mmio_reg_descr default_global_regs[] = {
>+	COMMON_BASE_GLOBAL(),
>+	COMMON_GEN9BASE_GLOBAL(),
> };
>
>-/* XE_LPD - Blitter Per-Class */
>-/* XE_LPD - Media Decode/Encode Per-Class */
>+static struct __guc_mmio_reg_descr default_rc_class_regs[] = {
>+	COMMON_BASE_HAS_EU(),
>+	COMMON_BASE_RENDER(),
>+};
>+
>+/*
>+ * Empty lists:
>+ * GEN9/XE_LPD - Blitter-Class
>+ * GEN9/XE_LPD - Media Class
>+ * GEN9 - VEC Class
>+ */
> static struct __guc_mmio_reg_descr empty_regs_list[] = {
> };
>
>@@ -130,6 +159,18 @@ static struct __guc_mmio_reg_descr empty_regs_list[] = {
> 	}
>
> /* List of lists */
>+static struct __guc_mmio_reg_descr_group default_lists[] = {
>+	MAKE_REGLIST(default_global_regs, PF, GLOBAL, 0),
>+	MAKE_REGLIST(default_rc_class_regs, PF, ENGINE_CLASS, GUC_RENDER_CLASS),
>+	MAKE_REGLIST(xe_lpd_rc_inst_regs, PF, ENGINE_INSTANCE, GUC_RENDER_CLASS),
>+	MAKE_REGLIST(empty_regs_list, PF, ENGINE_CLASS, GUC_VIDEO_CLASS),
>+	MAKE_REGLIST(xe_lpd_vd_inst_regs, PF, ENGINE_INSTANCE, GUC_VIDEO_CLASS),
>+	MAKE_REGLIST(empty_regs_list, PF, ENGINE_CLASS, GUC_VIDEOENHANCE_CLASS),
>+	MAKE_REGLIST(xe_lpd_vec_inst_regs, PF, ENGINE_INSTANCE, GUC_VIDEOENHANCE_CLASS),
>+	MAKE_REGLIST(empty_regs_list, PF, ENGINE_CLASS, GUC_BLITTER_CLASS),
>+	MAKE_REGLIST(xe_lpd_blt_inst_regs, PF, ENGINE_INSTANCE, GUC_BLITTER_CLASS),
>+	{}
>+};
> static struct __guc_mmio_reg_descr_group xe_lpd_lists[] = {
> 	MAKE_REGLIST(xe_lpd_global_regs, PF, GLOBAL, 0),
> 	MAKE_REGLIST(xe_lpd_rc_class_regs, PF, ENGINE_CLASS, GUC_RENDER_CLASS),
>@@ -275,7 +316,8 @@ guc_capture_get_device_reglist(struct intel_guc *guc)
> 		return xe_lpd_lists;
> 	}
>
>-	return NULL;
>+	/* if GuC submission is enabled on a non-POR platform, just use a common baseline */
>+	return default_lists;
> }
>
> static const char *
>-- 
>2.25.1
>


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