linux-kernel - [PATCH 2/5] drm/msm/a6xx: Add support for Adreno 623

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Message-ID: <20250213-a623-gpu-support-v1-2-993c65c39fd2@quicinc.com>
Date: Thu, 13 Feb 2025 21:40:07 +0530
From: Akhil P Oommen <quic_akhilpo@...cinc.com>
To: Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        "Konrad
 Dybcio" <konradybcio@...nel.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Marijn Suijten
	<marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, "Simona
 Vetter" <simona@...ll.ch>,
        Maarten Lankhorst
	<maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, Jie Zhang <quic_jiezh@...cinc.com>,
        "Akhil P
 Oommen" <quic_akhilpo@...cinc.com>
Subject: [PATCH 2/5] drm/msm/a6xx: Add support for Adreno 623

From: Jie Zhang <quic_jiezh@...cinc.com>

Add support for Adreno 623 GPU found in QCS8300 chipsets.

Signed-off-by: Jie Zhang <quic_jiezh@...cinc.com>
Signed-off-by: Akhil P Oommen <quic_akhilpo@...cinc.com>
---
 drivers/gpu/drm/msm/adreno/a6xx_catalog.c   | 29 +++++++++++++++++++++++++++++
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c       |  8 ++++++++
 drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c |  2 +-
 drivers/gpu/drm/msm/adreno/adreno_gpu.h     |  5 +++++
 4 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
index edffb7737a97..ac156c8b5af9 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
@@ -879,6 +879,35 @@ static const struct adreno_info a6xx_gpus[] = {
 			{ 0, 0 },
 			{ 137, 1 },
 		),
+	}, {
+		.chip_ids = ADRENO_CHIP_IDS(0x06020300),
+		.family = ADRENO_6XX_GEN3,
+		.fw = {
+			[ADRENO_FW_SQE] = "a650_sqe.fw",
+			[ADRENO_FW_GMU] = "a623_gmu.bin",
+		},
+		.gmem = SZ_512K,
+		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
+		.quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
+			ADRENO_QUIRK_HAS_HW_APRIV,
+		.init = a6xx_gpu_init,
+		.a6xx = &(const struct a6xx_info) {
+			.hwcg = a620_hwcg,
+			.protect = &a650_protect,
+			.gmu_cgc_mode = 0x00020200,
+			.prim_fifo_threshold = 0x00010000,
+			.bcms = (const struct a6xx_bcm[]) {
+				{ .name = "SH0", .buswidth = 16 },
+				{ .name = "MC0", .buswidth = 4 },
+				{
+					.name = "ACV",
+					.fixed = true,
+					.perfmode = BIT(3),
+				},
+				{ /* sentinel */ },
+			},
+		},
+		.address_space_size = SZ_16G,
 	}, {
 		.chip_ids = ADRENO_CHIP_IDS(
 			0x06030001,
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 0ae29a7c8a4d..1820c167fcee 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -616,6 +616,14 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
 		gpu->ubwc_config.uavflagprd_inv = 2;
 	}
 
+	if (adreno_is_a623(gpu)) {
+		gpu->ubwc_config.highest_bank_bit = 16;
+		gpu->ubwc_config.amsbc = 1;
+		gpu->ubwc_config.rgb565_predicator = 1;
+		gpu->ubwc_config.uavflagprd_inv = 2;
+		gpu->ubwc_config.macrotile_mode = 1;
+	}
+
 	if (adreno_is_a640_family(gpu))
 		gpu->ubwc_config.amsbc = 1;
 
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index 2c10474ccc95..3222a406d089 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -1227,7 +1227,7 @@ static void a6xx_get_gmu_registers(struct msm_gpu *gpu,
 	_a6xx_get_gmu_registers(gpu, a6xx_state, &a6xx_gmu_reglist[1],
 		&a6xx_state->gmu_registers[1], true);
 
-	if (adreno_is_a621(adreno_gpu))
+	if (adreno_is_a621(adreno_gpu) || adreno_is_a623(adreno_gpu))
 		_a6xx_get_gmu_registers(gpu, a6xx_state, &a621_gpucc_reg,
 			&a6xx_state->gmu_registers[2], false);
 	else
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index dcf454629ce0..92caba3584da 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -442,6 +442,11 @@ static inline int adreno_is_a621(const struct adreno_gpu *gpu)
 	return gpu->info->chip_ids[0] == 0x06020100;
 }
 
+static inline int adreno_is_a623(const struct adreno_gpu *gpu)
+{
+	return gpu->info->chip_ids[0] == 0x06020300;
+}
+
 static inline int adreno_is_a630(const struct adreno_gpu *gpu)
 {
 	return adreno_is_revn(gpu, 630);

-- 
2.45.2