From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 38C186FAF; Tue, 5 Dec 2023 03:29:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="XQlEdPyr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD960C433C9; Tue, 5 Dec 2023 03:29:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1701746994; bh=sUF4NwhOWeMh5cIHl036ezqZE6m9pW7HHm5/GOHwi/g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XQlEdPyrokw58G+iMjTdAnjRXLHHQ+/SUdj4zzADxQtbHDX/6SOidsKLVlwBGJSbC 5HrmFWFzh7jra4vAL9WHnOqM6b8rfhguDhaFVaN1WBcnEC2ubEvVIIyO96PkXY3ncu z4lrytdqQip/nC33eueQy9d54yAbR7GfgjxaJbnU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Sierra , Alex Deucher , Felix Kuehling Subject: [PATCH 6.1 020/107] drm/amdgpu: Force order between a read and write to the same address Date: Tue, 5 Dec 2023 12:15:55 +0900 Message-ID: <20231205031532.890149185@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231205031531.426872356@linuxfoundation.org> References: <20231205031531.426872356@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alex Sierra commit 4b27a33c3b173bef1d19ba89e0b9b812b4fddd25 upstream. Setting register to force ordering to prevent read/write or write/read hazards for un-cached modes. Signed-off-by: Alex Sierra Acked-by: Alex Deucher Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org # 6.1.x Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 8 ++++++++ drivers/gpu/drm/amd/include/asic_reg/gc/gc_11_0_0_offset.h | 2 ++ 2 files changed, 10 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -82,6 +82,10 @@ MODULE_FIRMWARE("amdgpu/gc_11_0_4_me.bin MODULE_FIRMWARE("amdgpu/gc_11_0_4_mec.bin"); MODULE_FIRMWARE("amdgpu/gc_11_0_4_rlc.bin"); +static const struct soc15_reg_golden golden_settings_gc_11_0[] = { + SOC15_REG_GOLDEN_VALUE(GC, 0, regTCP_CNTL, 0x20000000, 0x20000000) +}; + static const struct soc15_reg_golden golden_settings_gc_11_0_1[] = { SOC15_REG_GOLDEN_VALUE(GC, 0, regCGTT_GS_NGG_CLK_CTRL, 0x9fff8fff, 0x00000010), @@ -274,6 +278,10 @@ static void gfx_v11_0_init_golden_regist default: break; } + soc15_program_register_sequence(adev, + golden_settings_gc_11_0, + (const u32)ARRAY_SIZE(golden_settings_gc_11_0)); + } static void gfx_v11_0_write_data_to_reg(struct amdgpu_ring *ring, int eng_sel, --- a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_11_0_0_offset.h +++ b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_11_0_0_offset.h @@ -6369,6 +6369,8 @@ #define regTCP_INVALIDATE_BASE_IDX 1 #define regTCP_STATUS 0x19a1 #define regTCP_STATUS_BASE_IDX 1 +#define regTCP_CNTL 0x19a2 +#define regTCP_CNTL_BASE_IDX 1 #define regTCP_CNTL2 0x19a3 #define regTCP_CNTL2_BASE_IDX 1 #define regTCP_DEBUG_INDEX 0x19a5