From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752962AbcAFEEX (ORCPT ); Tue, 5 Jan 2016 23:04:23 -0500 Received: from mail-pa0-f43.google.com ([209.85.220.43]:34431 "EHLO mail-pa0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752815AbcAFEEP (ORCPT ); Tue, 5 Jan 2016 23:04:15 -0500 From: Chris Zhong To: heiko@sntech.de, linux-rockchip@lists.infradead.org, mark.yao@rock-chips.com, treding@nvidia.com Cc: Chris Zhong , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , linux-arm-kernel@lists.infradead.org Subject: [PATCH v7 1/5] drm/rockchip: return a true clock rate to adjusted_mode Date: Wed, 6 Jan 2016 12:03:53 +0800 Message-Id: <1452053038-32098-2-git-send-email-zyw@rock-chips.com> X-Mailer: git-send-email 2.6.3 In-Reply-To: <1452053038-32098-1-git-send-email-zyw@rock-chips.com> References: <1452053038-32098-1-git-send-email-zyw@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since the mipi dsi driver need to use the clock of vop to make the calculation of Blanking. But sometimes the clock driver can not set a accurate clock_rate for vop, get it by clk_round_rate before mode_set, so we can get the true value. Signed-off-by: Chris Zhong Acked-by: Mark Yao --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: - use clk_round_rate to check the clock rate in vop_crtc_mode_fixup Changes in v3: None drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index f5b3da2..056cac3 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -878,9 +878,14 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { + struct vop *vop = to_vop(crtc); + if (adjusted_mode->htotal == 0 || adjusted_mode->vtotal == 0) return false; + adjusted_mode->clock = + clk_round_rate(vop->dclk, mode->clock * 1000) / 1000; + return true; } -- 2.6.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Zhong Subject: [PATCH v7 1/5] drm/rockchip: return a true clock rate to adjusted_mode Date: Wed, 6 Jan 2016 12:03:53 +0800 Message-ID: <1452053038-32098-2-git-send-email-zyw@rock-chips.com> References: <1452053038-32098-1-git-send-email-zyw@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1452053038-32098-1-git-send-email-zyw@rock-chips.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: heiko@sntech.de, linux-rockchip@lists.infradead.org, mark.yao@rock-chips.com, treding@nvidia.com Cc: Chris Zhong , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org U2luY2UgdGhlIG1pcGkgZHNpIGRyaXZlciBuZWVkIHRvIHVzZSB0aGUgY2xvY2sgb2Ygdm9wIHRv IG1ha2UgdGhlCmNhbGN1bGF0aW9uIG9mIEJsYW5raW5nLiBCdXQgc29tZXRpbWVzIHRoZSBjbG9j ayBkcml2ZXIgY2FuIG5vdCBzZXQgYQphY2N1cmF0ZSBjbG9ja19yYXRlIGZvciB2b3AsIGdldCBp dCBieSBjbGtfcm91bmRfcmF0ZSBiZWZvcmUgbW9kZV9zZXQsCnNvIHdlIGNhbiBnZXQgdGhlIHRy dWUgdmFsdWUuCgpTaWduZWQtb2ZmLWJ5OiBDaHJpcyBaaG9uZyA8enl3QHJvY2stY2hpcHMuY29t PgpBY2tlZC1ieTogTWFyayBZYW8gPG1hcmsueWFvQHJvY2stY2hpcHMuY29tPgoKLS0tCgpDaGFu Z2VzIGluIHY3OiBOb25lCkNoYW5nZXMgaW4gdjY6IE5vbmUKQ2hhbmdlcyBpbiB2NTogTm9uZQpD aGFuZ2VzIGluIHY0OgotIHVzZSBjbGtfcm91bmRfcmF0ZSB0byBjaGVjayB0aGUgY2xvY2sgcmF0 ZSBpbiB2b3BfY3J0Y19tb2RlX2ZpeHVwCgpDaGFuZ2VzIGluIHYzOiBOb25lCgogZHJpdmVycy9n cHUvZHJtL3JvY2tjaGlwL3JvY2tjaGlwX2RybV92b3AuYyB8IDUgKysrKysKIDEgZmlsZSBjaGFu Z2VkLCA1IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vcm9ja2No aXAvcm9ja2NoaXBfZHJtX3ZvcC5jIGIvZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL3JvY2tjaGlw X2RybV92b3AuYwppbmRleCBmNWIzZGEyLi4wNTZjYWMzIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dw dS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBfZHJtX3ZvcC5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9y b2NrY2hpcC9yb2NrY2hpcF9kcm1fdm9wLmMKQEAgLTg3OCw5ICs4NzgsMTQgQEAgc3RhdGljIGJv b2wgdm9wX2NydGNfbW9kZV9maXh1cChzdHJ1Y3QgZHJtX2NydGMgKmNydGMsCiAJCQkJY29uc3Qg c3RydWN0IGRybV9kaXNwbGF5X21vZGUgKm1vZGUsCiAJCQkJc3RydWN0IGRybV9kaXNwbGF5X21v ZGUgKmFkanVzdGVkX21vZGUpCiB7CisJc3RydWN0IHZvcCAqdm9wID0gdG9fdm9wKGNydGMpOwor CiAJaWYgKGFkanVzdGVkX21vZGUtPmh0b3RhbCA9PSAwIHx8IGFkanVzdGVkX21vZGUtPnZ0b3Rh bCA9PSAwKQogCQlyZXR1cm4gZmFsc2U7CiAKKwlhZGp1c3RlZF9tb2RlLT5jbG9jayA9CisJCWNs a19yb3VuZF9yYXRlKHZvcC0+ZGNsaywgbW9kZS0+Y2xvY2sgKiAxMDAwKSAvIDEwMDA7CisKIAly ZXR1cm4gdHJ1ZTsKIH0KIAotLSAKMi42LjMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vZHJpLWRldmVsCg== From mboxrd@z Thu Jan 1 00:00:00 1970 From: zyw@rock-chips.com (Chris Zhong) Date: Wed, 6 Jan 2016 12:03:53 +0800 Subject: [PATCH v7 1/5] drm/rockchip: return a true clock rate to adjusted_mode In-Reply-To: <1452053038-32098-1-git-send-email-zyw@rock-chips.com> References: <1452053038-32098-1-git-send-email-zyw@rock-chips.com> Message-ID: <1452053038-32098-2-git-send-email-zyw@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Since the mipi dsi driver need to use the clock of vop to make the calculation of Blanking. But sometimes the clock driver can not set a accurate clock_rate for vop, get it by clk_round_rate before mode_set, so we can get the true value. Signed-off-by: Chris Zhong Acked-by: Mark Yao --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: - use clk_round_rate to check the clock rate in vop_crtc_mode_fixup Changes in v3: None drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index f5b3da2..056cac3 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -878,9 +878,14 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { + struct vop *vop = to_vop(crtc); + if (adjusted_mode->htotal == 0 || adjusted_mode->vtotal == 0) return false; + adjusted_mode->clock = + clk_round_rate(vop->dclk, mode->clock * 1000) / 1000; + return true; } -- 2.6.3