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[83.9.2.58]) by smtp.gmail.com with ESMTPSA id y6-20020ac24466000000b004f37bd02a89sm244766lfl.287.2023.05.20.05.20.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 May 2023 05:20:06 -0700 (PDT) From: Konrad Dybcio Date: Sat, 20 May 2023 14:19:52 +0200 Subject: [PATCH v7 12/18] drm/msm/a6xx: Add support for A619_holi MIME-Version: 1.0 Message-Id: <20230223-topic-gmuwrapper-v7-12-ecc7aab83556@linaro.org> References: <20230223-topic-gmuwrapper-v7-0-ecc7aab83556@linaro.org> In-Reply-To: <20230223-topic-gmuwrapper-v7-0-ecc7aab83556@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Akhil P Oommen Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Clark , Marijn Suijten , Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1684585186; l=4014; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=UvvtX87HOPp56IoMSbK8amUUhfTCemIF7foXaIkZYF0=; b=ezN+zjCuuBL3p2bWj0V97pqWvY7Gi0cJ5kW9NCsMwBLLX0LqFXDM1p7DESG4oHbV/HPGE+1ck ONRWYgaB2UzAZHmpSduu2GpXV5sEpfrtAaAWpZODbjKlHmbEuAPNOn5 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766415739990118923?= X-GMAIL-MSGID: =?utf-8?q?1766415739990118923?= A619_holi is a GMU-less variant of the already-supported A619 GPU. It's present on at least SM4350 (holi) and SM6375 (blair). No mesa changes are required. Add the required kernel-side support for it. Signed-off-by: Konrad Dybcio --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 27 +++++++++++++++++++++++++-- drivers/gpu/drm/msm/adreno/adreno_gpu.h | 5 +++++ 2 files changed, 30 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 2ba9d790a52c..7eaebcefcb2a 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -810,6 +810,9 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu) if (adreno_is_a618(adreno_gpu)) return; + if (adreno_is_a619_holi(adreno_gpu)) + hbb_lo = 0; + if (adreno_is_a640_family(adreno_gpu)) amsbc = 1; @@ -1027,7 +1030,12 @@ static int hw_init(struct msm_gpu *gpu) } /* Clear GBIF halt in case GX domain was not collapsed */ - if (a6xx_has_gbif(adreno_gpu)) { + if (adreno_is_a619_holi(adreno_gpu)) { + gpu_write(gpu, REG_A6XX_GBIF_HALT, 0); + gpu_write(gpu, REG_A6XX_RBBM_GPR0_CNTL, 0); + /* Let's make extra sure that the GPU can access the memory.. */ + mb(); + } else if (a6xx_has_gbif(adreno_gpu)) { gpu_write(gpu, REG_A6XX_GBIF_HALT, 0); gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 0); /* Let's make extra sure that the GPU can access the memory.. */ @@ -1036,6 +1044,9 @@ static int hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_CNTL, 0); + if (adreno_is_a619_holi(adreno_gpu)) + a6xx_sptprac_enable(gmu); + /* * Disable the trusted memory range - we don't actually supported secure * memory rendering at this point in time and we don't want to block off @@ -1656,12 +1667,18 @@ static void a6xx_llc_slices_init(struct platform_device *pdev, #define GBIF_CLIENT_HALT_MASK BIT(0) #define GBIF_ARB_HALT_MASK BIT(1) #define VBIF_XIN_HALT_CTRL0_MASK GENMASK(3, 0) +#define VBIF_RESET_ACK_MASK 0xF0 +#define GPR0_GBIF_HALT_REQUEST 0x1E0 void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu, bool gx_off) { struct msm_gpu *gpu = &adreno_gpu->base; - if (!a6xx_has_gbif(adreno_gpu)) { + if (adreno_is_a619_holi(adreno_gpu)) { + gpu_write(gpu, 0x18, GPR0_GBIF_HALT_REQUEST); + spin_until((gpu_read(gpu, REG_A6XX_RBBM_VBIF_GX_RESET_STATUS) & + (VBIF_RESET_ACK_MASK)) == VBIF_RESET_ACK_MASK); + } else if (!a6xx_has_gbif(adreno_gpu)) { gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, VBIF_XIN_HALT_CTRL0_MASK); spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) & (VBIF_XIN_HALT_CTRL0_MASK)) == VBIF_XIN_HALT_CTRL0_MASK); @@ -1755,6 +1772,9 @@ static int a6xx_pm_resume(struct msm_gpu *gpu) if (ret) goto err_mem_clk; + if (adreno_is_a619_holi(adreno_gpu)) + a6xx_sptprac_enable(gmu); + /* If anything goes south, tear the GPU down piece by piece.. */ if (ret) { err_mem_clk: @@ -1818,6 +1838,9 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu) /* Drain the outstanding traffic on memory buses */ a6xx_bus_clear_pending_transactions(adreno_gpu, true); + if (adreno_is_a619_holi(adreno_gpu)) + a6xx_sptprac_disable(gmu); + clk_disable_unprepare(gpu->ebi1_clk); clk_bulk_disable_unprepare(gpu->nr_clocks, gpu->grp_clks); diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index ee5352bc5329..432fee5c1516 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -252,6 +252,11 @@ static inline int adreno_is_a619(struct adreno_gpu *gpu) return gpu->revn == 619; } +static inline int adreno_is_a619_holi(struct adreno_gpu *gpu) +{ + return adreno_is_a619(gpu) && adreno_has_gmu_wrapper(gpu); +} + static inline int adreno_is_a630(struct adreno_gpu *gpu) { return gpu->revn == 630;