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Sat, 08 Feb 2025 21:06:59 -0800 (PST) Received: from umbar.lan ([192.130.178.90]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54506ef1733sm245576e87.1.2025.02.08.21.06.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Feb 2025 21:06:58 -0800 (PST) From: Dmitry Baryshkov Date: Sun, 09 Feb 2025 07:04:50 +0200 Subject: [PATCH v4 06/16] drm/msm/hdmi: drop clock frequency assignment Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250209-fd-hdmi-hpd-v4-6-6224568ed87f@linaro.org> References: <20250209-fd-hdmi-hpd-v4-0-6224568ed87f@linaro.org> In-Reply-To: <20250209-fd-hdmi-hpd-v4-0-6224568ed87f@linaro.org> To: Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jessica Zhang X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2616; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=WW4ls3rpXG1GIIqJFaRsd5YlkFmkvDhOcZwn0x64Row=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBnqDfi33wWbfpM6mTVM/ftWIImACMnz11kBEOqC blNTd+M/5+JATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZ6g34gAKCRCLPIo+Aiko 1dSWB/40THgJWOFA7FwOHcFPelVVnpKYNOhfQuyUuXJy0WLW2cSHshnroZRXNnjokUNm0oly+fA dPJtLOBh52GIUcac13awR+mTeDNkso9fhOR8aONIaah9ZyYwZixqaImkB+Pya9N4Pp8S0FMZEmQ AuQrEaRpREWdNEYbEBavp5mnhNQsYK84xs/boE5VkJUrAn1c4uHVymlQxMc4H6beLXKwVlBrfGi 4E8BJJzCTBIoNOAMJ/HeRM3gNw6N+RfKoG6FD4IrrD9R56rPo/c9ePXfvC7edCfmsBiCOXDC2rM b29yFFfR6iQHceT0T/LBylCiPZIO/Arm1BEWDWfhs7v6DikV X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A The only clock which has frequency being set through hpd_freqs is the "core" aka MDSS_HDMI_CLK clock. It always has the specified frequency, so we can drop corresponding clk_set_rate() call together with the hpd_freq infrastructure. Reviewed-by: Jessica Zhang Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/hdmi/hdmi.c | 2 -- drivers/gpu/drm/msm/hdmi/hdmi.h | 1 - drivers/gpu/drm/msm/hdmi/hdmi_hpd.c | 9 --------- 3 files changed, 12 deletions(-) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index 104f9cefa14834d04fb957eb48777e605d1e29a5..6f09920c58190a9c195de0407e4c2dcc3d58b30f 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -234,12 +234,10 @@ static const struct hdmi_platform_config hdmi_tx_8960_config = { static const char * const pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"}; static const char * const hpd_clk_names_8x74[] = {"iface", "core", "mdp_core", "alt_iface"}; -static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0, 0}; static const struct hdmi_platform_config hdmi_tx_8974_config = { HDMI_CFG(pwr_reg, 8x74), HDMI_CFG(hpd_clk, 8x74), - .hpd_freq = hpd_clk_freq_8x74, }; static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.h b/drivers/gpu/drm/msm/hdmi/hdmi.h index 3314bb8a09d6bea7e34ad9050970bf43c64d1558..e93d49d9e86936cb6c1f852a958398de2e134ad4 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.h +++ b/drivers/gpu/drm/msm/hdmi/hdmi.h @@ -93,7 +93,6 @@ struct hdmi_platform_config { /* clks that need to be on for hpd: */ const char * const *hpd_clk_names; - const long unsigned *hpd_freq; int hpd_clk_cnt; }; diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c b/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c index 9ce0ffa3541795a076b433566a3cafe156120b15..7ae69b14e953f0ee6deea8a216bfa9d3616b09af 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_hpd.c @@ -68,15 +68,6 @@ static void enable_hpd_clocks(struct hdmi *hdmi, bool enable) if (enable) { for (i = 0; i < config->hpd_clk_cnt; i++) { - if (config->hpd_freq && config->hpd_freq[i]) { - ret = clk_set_rate(hdmi->hpd_clks[i], - config->hpd_freq[i]); - if (ret) - dev_warn(dev, - "failed to set clk %s (%d)\n", - config->hpd_clk_names[i], ret); - } - ret = clk_prepare_enable(hdmi->hpd_clks[i]); if (ret) { DRM_DEV_ERROR(dev,