Message ID | 20240105-topic-venus_reset-v2-7-c37eba13b5ce@linaro.org (mailing list archive) |
---|---|
State | Awaiting Upstream, archived |
Headers | show
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[37.8.245.233]) by smtp.gmail.com with ESMTPSA id un9-20020a170907cb8900b00a384365e3b9sm562305ejc.195.2024.02.06.10.43.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Feb 2024 10:43:49 -0800 (PST) From: Konrad Dybcio <konrad.dybcio@linaro.org> Date: Tue, 06 Feb 2024 19:43:40 +0100 Subject: [PATCH v2 07/18] clk: qcom: gcc-sm4450: Set delay for Venus CLK resets Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: <linux-clk.vger.kernel.org> List-Subscribe: <mailto:linux-clk+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-clk+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240105-topic-venus_reset-v2-7-c37eba13b5ce@linaro.org> References: <20240105-topic-venus_reset-v2-0-c37eba13b5ce@linaro.org> In-Reply-To: <20240105-topic-venus_reset-v2-0-c37eba13b5ce@linaro.org> To: Bjorn Andersson <andersson@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de> Cc: Marijn Suijten <marijn.suijten@somainline.org>, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Bryan O'Donoghue <bryan.odonoghue@linaro.org>, Dikshita Agarwal <quic_dikshita@quicinc.com>, Vikash Garodia <quic_vgarodia@quicinc.com>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, Konrad Dybcio <konrad.dybcio@linaro.org> X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1707245017; l=1261; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=hNpPMHDWoOMTbeDBm7it/X/QFrunF620Ewnj+Kcxsr8=; b=f80sDBRtJTlp1b8hWBFK0RU641PLMr6/l0nYv4kIqYmXYXY/Ih5z96kTOSuNVwy0TeNwqWR4Y wKfAWeK3ETFCYzaP10y2a7Xyuby63Ix93i6/cFDuCx1GtLfJ4K3pHN2 X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= |
Series |
Qualcomm GCC/VIDEOCC reset overhaul for Venus
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diff --git a/drivers/clk/qcom/gcc-sm4450.c b/drivers/clk/qcom/gcc-sm4450.c index 31abe2775fc8..ab8fb77d15a2 100644 --- a/drivers/clk/qcom/gcc-sm4450.c +++ b/drivers/clk/qcom/gcc-sm4450.c @@ -2791,8 +2791,8 @@ static const struct qcom_reset_map gcc_sm4450_resets[] = { [GCC_VENUS_BCR] = { 0xb601c }, [GCC_VIDEO_BCR] = { 0x42000 }, [GCC_VIDEO_VENUS_BCR] = { 0xb6000 }, - [GCC_VENUS_CTL_AXI_CLK_ARES] = { 0x4201c, 2 }, - [GCC_VIDEO_VENUS_CTL_CLK_ARES] = { 0xb6038, 2 }, + [GCC_VENUS_CTL_AXI_CLK_ARES] = { .reg = 0x4201c, .bit = 2, .udelay = 400 }, + [GCC_VIDEO_VENUS_CTL_CLK_ARES] = { .reg = 0xb6038, .bit = 2, .udelay = 400 }, }; static const struct clk_rcg_dfs_data gcc_dfs_clocks[] = {
Some Venus resets may require more time when toggling. Describe that. The value was obtained on a best-guess basis: msm-5.4 being the base kernel for this SoC and 4450 being somewhat close to 8350 which is known to require a higher delay [1]. [1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/dfe241edf23daf3c1ccbb79b02798965123fad98 Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> --- drivers/clk/qcom/gcc-sm4450.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)