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From: Shashank Sharma <shashank.sharma@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: mukul.joshi@amd.com, Shashank Sharma <shashank.sharma@amd.com>,
	arvind.yadav@amd.com, Alex Deucher <alexander.deucher@amd.com>,
	contactshashanksharma@gmail.com,
	Christian Koenig <christian.koenig@amd.com>
Subject: [PATCH v2 02/12] drm/amdgpu: don't modify num_doorbells for mes
Date: Wed, 12 Apr 2023 18:25:26 +0200	[thread overview]
Message-ID: <20230412162537.1357-3-shashank.sharma@amd.com> (raw)
In-Reply-To: <20230412162537.1357-1-shashank.sharma@amd.com>

This patch removes the check and change in num_kernel_doorbells
for MES, which is not being used anywhere by MES code.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
---
 .../gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c  | 34 ++++++++-----------
 1 file changed, 15 insertions(+), 19 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
index 64fec954815d..4b934aadcce6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell_mgr.c
@@ -140,25 +140,21 @@ int amdgpu_doorbell_init(struct amdgpu_device *adev)
 	adev->doorbell.base = pci_resource_start(adev->pdev, 2);
 	adev->doorbell.size = pci_resource_len(adev->pdev, 2);
 
-	if (adev->enable_mes) {
-		adev->doorbell.num_kernel_doorbells =
-			adev->doorbell.size / sizeof(u32);
-	} else {
-		adev->doorbell.num_kernel_doorbells =
-			min_t(u32, adev->doorbell.size / sizeof(u32),
-			      adev->doorbell_index.max_assignment+1);
-		if (adev->doorbell.num_kernel_doorbells == 0)
-			return -EINVAL;
-
-		/* For Vega, reserve and map two pages on doorbell BAR since SDMA
-		 * paging queue doorbell use the second page. The
-		 * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the
-		 * doorbells are in the first page. So with paging queue enabled,
-		 * the max num_kernel_doorbells should + 1 page (0x400 in dword)
-		 */
-		if (adev->asic_type >= CHIP_VEGA10)
-			adev->doorbell.num_kernel_doorbells += 0x400;
-	}
+	adev->doorbell.num_kernel_doorbells =
+		min_t(u32, adev->doorbell.size / sizeof(u32),
+				adev->doorbell_index.max_assignment+1);
+	if (adev->doorbell.num_kernel_doorbells == 0)
+		return -EINVAL;
+
+	/*
+	 * For Vega, reserve and map two pages on doorbell BAR since SDMA
+	 * paging queue doorbell use the second page. The
+	 * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the
+	 * doorbells are in the first page. So with paging queue enabled,
+	 * the max num_kernel_doorbells should + 1 page (0x400 in dword)
+	 */
+	if (adev->asic_type >= CHIP_VEGA10)
+		adev->doorbell.num_kernel_doorbells += 0x400;
 
 	adev->doorbell.ptr = ioremap(adev->doorbell.base,
 				     adev->doorbell.num_kernel_doorbells *
-- 
2.40.0


  parent reply	other threads:[~2023-04-12 16:26 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-12 16:25 [PATCH v2 00/12] AMDGPU doorbell manager Shashank Sharma
2023-04-12 16:25 ` [PATCH v2 01/12] drm/amdgpu: create a new file for " Shashank Sharma
2023-04-13 10:48   ` Christian König
2023-04-13 10:51     ` Christian König
2023-04-12 16:25 ` Shashank Sharma [this message]
2023-04-12 16:25 ` [PATCH v2 03/12] drm/amdgpu: add UAPI for allocating doorbell memory Shashank Sharma
2023-04-12 16:25 ` [PATCH v2 04/12] drm/amdgpu: accommodate DOMAIN/PL_DOORBELL Shashank Sharma
2023-04-12 16:25 ` [PATCH v2 05/12] drm/amdgpu: initialize ttm for doorbells Shashank Sharma
2023-04-12 16:25 ` [PATCH v2 06/12] drm/amdgpu: create kernel doorbell pages Shashank Sharma
2023-04-12 16:25 ` [PATCH v2 07/12] get absolute offset from doorbell index Shashank Sharma
2023-04-13 10:59   ` Christian König
2023-04-12 16:25 ` [PATCH v2 08/12] drm/amdgpu: use doorbell manager for kfd kernel doorbells Shashank Sharma
2023-04-13 11:02   ` Christian König
2023-04-13 13:08     ` Shashank Sharma
2023-04-21 19:58   ` Felix Kuehling
2023-04-22  6:39     ` Shashank Sharma
2023-04-24 19:56       ` Felix Kuehling
2023-04-25 19:59         ` Shashank Sharma
2023-06-09 19:33           ` Felix Kuehling
2023-04-12 16:25 ` [PATCH v2 09/12] drm/amdgpu: use doorbell manager for kfd process doorbells Shashank Sharma
2023-04-13 11:07   ` Christian König
2023-04-21 20:11   ` Felix Kuehling
2023-04-22  6:45     ` Shashank Sharma
2023-04-12 16:25 ` [PATCH v2 10/12] drm/amdgpu: remove unused functions and variables Shashank Sharma
2023-06-09 19:34   ` Felix Kuehling
2023-04-12 16:25 ` [PATCH v2 11/12] drm/amdgpu: use doorbell mgr for MES kernel doorbells Shashank Sharma
2023-04-12 16:25 ` [PATCH v2 12/12] drm/amdgpu: cleanup MES process level doorbells Shashank Sharma
2023-04-13 11:19   ` Christian König

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