From: ville.syrjala@linux.intel.com (Ville Syrjälä)
To: linux-arm-kernel@lists.infradead.org
Subject: [Patch v2][ 03/37] drm: Add the lacking DRM_MODE_FLAG_* for matching the DISPLAY_FLAGS_*
Date: Wed, 23 Oct 2013 18:38:07 +0300 [thread overview]
Message-ID: <20131023153807.GJ13047@intel.com> (raw)
In-Reply-To: <5267E1D3.5060803@eukrea.com>
On Wed, Oct 23, 2013 at 04:48:51PM +0200, Denis Carikli wrote:
> Hi,
>
> On 10/18/2013 09:46 AM, Ville Syrj?l? wrote:
> >> +#define DRM_MODE_FLAG_PDATEN (1<<22)
> >> +#define DRM_MODE_FLAG_NDATEN (1<<23)
> >> +#define DRM_MODE_FLAG_PPIXDATEDGE (1<<24)
> >> +#define DRM_MODE_FLAG_NPIXDATEDGE (1<<25)
> >
> > Do we really need to make this stuff visible to userspace?
> > And there's no documentation to explain any of it.
>
> DRM_MODE_FLAG_PDATEN and DRM_MODE_FLAG_NDATEN were meant to represent
> the data enable polarity.
>
> DRM_MODE_FLAG_PPIXDATEDGE and DRM_MODE_FLAG_NPIXDATEDGE were meant to
> represent the clock polarity.
>
> What would you recommend to represent theses polarities?
I don't really care that much how you represent them. Just wondering
if userspace has any business dictating those, and it not, then they
shouldn't be DRM_MODE flags.
--
Ville Syrj?l?
Intel OTC
next prev parent reply other threads:[~2013-10-23 15:38 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-17 15:01 Devicetree support for Eukrea cpuimx{25,35,51} (v2) Denis Carikli
2013-10-17 15:01 ` [Patch v2][ 01/37] of: add vendor prefix for Eukréa Electromatique Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 02/37] dma: ipu: Add devicetree support Denis Carikli
2013-10-18 6:42 ` Sascha Hauer
2013-10-17 15:02 ` [Patch v2][ 03/37] drm: Add the lacking DRM_MODE_FLAG_* for matching the DISPLAY_FLAGS_* Denis Carikli
2013-10-18 7:46 ` Ville Syrjälä
2013-10-23 14:48 ` Denis Carikli
2013-10-23 15:38 ` Ville Syrjälä [this message]
2013-10-23 15:47 ` Matt Sealey
2013-10-17 15:02 ` [Patch v2][ 04/37] [media] v4l2: add new V4L2_PIX_FMT_RGB666 pixel format Denis Carikli
2013-10-31 13:18 ` Mauro Carvalho Chehab
2013-10-31 14:06 ` Laurent Pinchart
2013-10-17 15:02 ` [Patch v2][ 05/37] fbdev: Add the lacking FB_SYNC_* for matching the DISPLAY_FLAGS_* Denis Carikli
2013-10-19 11:08 ` Jean-Christophe PLAGNIOL-VILLARD
2013-10-17 15:02 ` [Patch v2][ 06/37] video: backlight: gpio-backlight: Add DT support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 07/37] video: mx3fb: Introduce regulator support Denis Carikli
2013-10-19 11:08 ` Jean-Christophe PLAGNIOL-VILLARD
2013-10-17 15:02 ` [Patch v2][ 08/37] video: mx3fb: Add device tree suport Denis Carikli
2013-10-19 11:04 ` Jean-Christophe PLAGNIOL-VILLARD
2013-10-21 8:03 ` Sascha Hauer
2013-10-17 15:02 ` [Patch v2][ 09/37] video: imxfb: Introduce regulator support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 10/37] video: imxfb: Also add pwmr for the device tree Denis Carikli
2013-10-19 10:57 ` Jean-Christophe PLAGNIOL-VILLARD
2013-10-17 15:02 ` [Patch v2][ 11/37] staging: imx-drm: use of_get_display_timings Denis Carikli
2013-10-18 6:46 ` Sascha Hauer
2013-10-17 15:02 ` [Patch v2][ 12/37] staging: imx-drm: ipuv3-crtc: don't harcode some mode flags Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 13/37] staging: imx-drm: Add RGB666 support for parallel display Denis Carikli
2013-10-31 13:18 ` Mauro Carvalho Chehab
2013-10-17 15:02 ` [Patch v2][ 14/37] staging: imx-drm: parallel display: add regulator support Denis Carikli
2013-10-17 16:47 ` Dan Carpenter
2013-10-17 15:02 ` [Patch v2][ 15/37] Input: tsc2007: Add device tree support Denis Carikli
2013-10-18 8:36 ` Lothar Waßmann
2013-10-17 15:02 ` [Patch v2][ 16/37] ASoC: eukrea-tlv320: Add DT support Denis Carikli
2013-10-18 9:19 ` Lothar Waßmann
2013-10-17 15:02 ` [Patch v2][ 17/37] DT: Add basic support for imx35-based devices Denis Carikli
2013-10-18 6:58 ` Sascha Hauer
2013-10-17 15:02 ` [Patch v2][ 18/37] ARM: imx{25, 27} DT: Permit the selection of the imxfb framebuffer driver Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 19/37] pinctrl: pinctrl-imx: add imx25 pinctrl driver Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 20/37] arm/dts: imx25.dtsi: Add some pinmux pins Denis Carikli
2013-10-18 7:02 ` Sascha Hauer
2013-10-17 15:02 ` [Patch v2][ 21/37] arm/dts: i.MX25: Add ssi clocks and DMA events Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 22/37] arm/dts: i.MX25: Add sdma script path Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 23/37] arm/dts: imx25.dtsi: Add an alias for the Audio Multiplexer Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 24/37] arm/dts: Add support for the cpuimx25 board from Eukrea and its baseboard Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 25/37] arm/dts: imx51.dtsi: Add some pinmux pins Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 26/37] arm/dts: Add support for the cpuimx51 board from Eukrea and its baseboard Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 27/37] arm/dts: Add support for the cpuimx35 " Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 28/37] ARM: imx_v6_v7_defconfig: Enable i.MX35 DT support Denis Carikli
2013-10-18 8:23 ` Shawn Guo
2013-10-17 15:02 ` [Patch v2][ 29/37] ARM: imx_v6_v7_defconfig: Enable tsc2007 support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 30/37] ARM: imx_v6_v7_defconfig: Enable pcf8563 support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 31/37] ARM: imx_v6_v7_defconfig: Enable gpio regulator support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 32/37] ARM: imx_v4_v5_defconfig: " Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 33/37] ARM: imx_v4_v5_defconfig: Enable backlight gpio support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 34/37] ARM: imx_v6_v7_defconfig: " Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 35/37] ARM: imx_v4_v5_defconfig: Enable gpio button/keyboard support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 36/37] ARM: imx_v6_v7_defconfig: Enable led gpio support Denis Carikli
2013-10-17 15:02 ` [Patch v2][ 37/37] ARM: imx_v6_v7_defconfig: Enable heartbeat led trigger Denis Carikli
2013-10-18 7:59 ` Devicetree support for Eukrea cpuimx{25,35,51} (v2) Sascha Hauer
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