linux-kernel - [PATCH v8 05/12] drm/msm/a6xx: Add a pwrup_list field to a6xx

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Message-Id: <20241003-preemption-a750-t-v8-5-5c6cb9f256e0@gmail.com>
Date: Thu, 03 Oct 2024 18:12:54 +0200
From: Antonino Maniscalco <antomani103@...il.com>
To: Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Jonathan Corbet <corbet@....net>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-doc@...r.kernel.org, Antonino Maniscalco <antomani103@...il.com>
Subject: [PATCH v8 05/12] drm/msm/a6xx: Add a pwrup_list field to a6xx_info

Add a field to contain the pwup_reglist needed for preemption.

Signed-off-by: Antonino Maniscalco <antomani103@...il.com>
---
 drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 26 ++++++++++++++++++++++++++
 drivers/gpu/drm/msm/adreno/a6xx_gpu.h     |  2 ++
 drivers/gpu/drm/msm/adreno/adreno_gpu.h   | 13 +++++++++++++
 3 files changed, 41 insertions(+)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
index 316f23ca91671d973797f2a5b69344f376707325..e4d271fa89cc66f188be04206e267fabd83cca83 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
@@ -1150,6 +1150,28 @@ static const u32 a730_protect_regs[] = {
 };
 DECLARE_ADRENO_PROTECT(a730_protect, 48);
 
+static const uint32_t a7xx_pwrup_reglist_regs[] = {
+	REG_A6XX_UCHE_TRAP_BASE,
+	REG_A6XX_UCHE_TRAP_BASE + 1,
+	REG_A6XX_UCHE_WRITE_THRU_BASE,
+	REG_A6XX_UCHE_WRITE_THRU_BASE + 1,
+	REG_A6XX_UCHE_GMEM_RANGE_MIN,
+	REG_A6XX_UCHE_GMEM_RANGE_MIN + 1,
+	REG_A6XX_UCHE_GMEM_RANGE_MAX,
+	REG_A6XX_UCHE_GMEM_RANGE_MAX + 1,
+	REG_A6XX_UCHE_CACHE_WAYS,
+	REG_A6XX_UCHE_MODE_CNTL,
+	REG_A6XX_RB_NC_MODE_CNTL,
+	REG_A6XX_RB_CMP_DBG_ECO_CNTL,
+	REG_A7XX_GRAS_NC_MODE_CNTL,
+	REG_A6XX_RB_CONTEXT_SWITCH_GMEM_SAVE_RESTORE,
+	REG_A6XX_UCHE_GBIF_GX_CONFIG,
+	REG_A6XX_UCHE_CLIENT_PF,
+	REG_A6XX_TPL1_DBG_ECO_CNTL1,
+};
+
+DECLARE_ADRENO_REGLIST_LIST(a7xx_pwrup_reglist);
+
 static const struct adreno_info a7xx_gpus[] = {
 	{
 		.chip_ids = ADRENO_CHIP_IDS(0x07000200),
@@ -1188,6 +1210,7 @@ static const struct adreno_info a7xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a730_hwcg,
 			.protect = &a730_protect,
+			.pwrup_reglist = &a7xx_pwrup_reglist,
 		},
 		.address_space_size = SZ_16G,
 		.preempt_record_size = 2860 * SZ_1K,
@@ -1207,6 +1230,7 @@ static const struct adreno_info a7xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a740_hwcg,
 			.protect = &a730_protect,
+			.pwrup_reglist = &a7xx_pwrup_reglist,
 			.gmu_chipid = 0x7020100,
 		},
 		.address_space_size = SZ_16G,
@@ -1226,6 +1250,7 @@ static const struct adreno_info a7xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a740_hwcg,
 			.protect = &a730_protect,
+			.pwrup_reglist = &a7xx_pwrup_reglist,
 			.gmu_chipid = 0x7050001,
 		},
 		.address_space_size = SZ_256G,
@@ -1245,6 +1270,7 @@ static const struct adreno_info a7xx_gpus[] = {
 		.zapfw = "gen70900_zap.mbn",
 		.a6xx = &(const struct a6xx_info) {
 			.protect = &a730_protect,
+			.pwrup_reglist = &a7xx_pwrup_reglist,
 			.gmu_chipid = 0x7090100,
 		},
 		.address_space_size = SZ_16G,
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
index e3e5c53ae8af2cc59a21160f05c59fd125cb94b1..2f5f307ac3b6845197b06ca3754abc88d698007c 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
@@ -17,10 +17,12 @@ extern bool hang_debug;
  *
  * @hwcg: hw clock gating register sequence
  * @protect: CP_PROTECT settings
+ * @pwrup_reglist pwrup reglist for preemption
  */
 struct a6xx_info {
 	const struct adreno_reglist *hwcg;
 	const struct adreno_protect *protect;
+	const struct adreno_reglist_list *pwrup_reglist;
 	u32 gmu_chipid;
 };
 
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 6b1888280a83e6288c4b071733d5d6097afe3a99..58c63d0fbbff9818393fc62ee3cf2703365bec23 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -157,6 +157,19 @@ static const struct adreno_protect name = {		\
 	.count_max = __count_max,			\
 };
 
+struct adreno_reglist_list {
+	/** @reg: List of register **/
+	const u32 *regs;
+	/** @count: Number of registers in the list **/
+	u32 count;
+};
+
+#define DECLARE_ADRENO_REGLIST_LIST(name)	\
+static const struct adreno_reglist_list name = {		\
+	.regs = name ## _regs,				\
+	.count = ARRAY_SIZE(name ## _regs),		\
+};
+
 struct adreno_gpu {
 	struct msm_gpu base;
 	const struct adreno_info *info;

-- 
2.46.1