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History for barebox / drivers / video / stm.c

2019-09-06	59e81b6 Browse files » video/stm: fix return value handling for of_get_display_timings() ... of_get_display_timings() returns NULL on failure, not an error pointer. Fixes: 16fd24847d7a ("video: stmfb: Add device tree support") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Uwe Kleine-König authored on 4 Sep 2019 Sascha Hauer committed on 6 Sep 2019
2016-03-07	3bd69ad Browse files » driver: replace dev_request_mem_region with dev_request_mem_resource ... dev_request_mem_region doesn't work properly one some SoCs on which PTR_ERR() values clash with valid return values from dev_request_mem_region. Replace them with dev_request_mem_resource where possible. This patch has been generated with the following semantic patch: // <smpl> @@ expression d; expression n; expression io; identifier func; @@ func(...) { +struct resource iores; <+... -io = dev_request_mem_region(d, n); -if (IS_ERR(io)) { +iores = dev_request_mem_resource(d, n); +if (IS_ERR(iores)) { ... - return PTR_ERR(io); -} + return PTR_ERR(iores); +} +io = IOMEM(iores->start); ...+> } @@ expression d; expression n; expression io; identifier func; @@ func(...) { +struct resource iores; <+... -io = dev_request_mem_region(d, n); -if (IS_ERR(io)) { +iores = dev_request_mem_resource(d, n); +if (IS_ERR(iores)) - return PTR_ERR(io); -} + return PTR_ERR(iores); +io = IOMEM(iores->start); ...+> } @@ expression d; expression n; expression io; identifier func; @@ func(...) { +struct resource iores; <+... -io = dev_request_mem_region(d, n); -if (IS_ERR(io)) { - ret = PTR_ERR(io); +iores = dev_request_mem_resource(d, n); +if (IS_ERR(iores)) { + ret = PTR_ERR(iores); ... } +io = IOMEM(iores->start); ...+> } @@ expression d; expression n; expression io; identifier func; @@ func(...) { +struct resource iores; <+... -io = dev_request_mem_region(d, n); +iores = dev_request_mem_resource(d, n); +if (IS_ERR(iores)) + return PTR_ERR(iores); +io = IOMEM(iores->start); ...+> } @@ identifier func; @@ func(...) { <+... struct resource iores; -struct resource iores; ...+> } // </smpl> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 7 Mar 2016
2015-11-03	b792124 Browse files » rework remap_range ... remap_range is for remapping regions with different cache attributes. It is implemented for ARM and PowerPC only, the other architectures only provide stubs. Currently the new cache attributes are passed in an architecture specific way and the attributes have to be retrieved by calls to mmu_get_pte_cached_flags() and mmu_get_pte_uncached_flags(). Make this simpler by providing architecture independent flags which can be directly passed to remap_range() Also provide a MAP_ARCH_DEFAULT flag and a arch_can_remap() function. The MAP_ARCH_DEFAULT defaults to whatever caching type the architecture has as default. the arch_can_remap() function returns true if the architecture can change the cache attributes, false otherwise. This allows the memtest code to better find out what it has to do. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 3 Nov 2015
2015-07-06	491dc73 Browse files » video: stm: reserve framebuffer memory for Linux ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
	7be1519 Browse files » video: stm: honor display_flags ... stmfb uses custom flags FB_SYNC_DE_HIGH_ACT and FB_SYNC_CLK_INVERT. These have generic counterparts in display_flags. Honor them aswell. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
	bbbba8c Browse files » video: stm: read bits-per-pixel from device tree ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
	a4e7ce4 Browse files » video: stm: read interface width from device tree ... The interface width has not been initialized when probed from device tree. Fix that. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
	55d1fd0 Browse files » video: stm: use uncached memory ... To avoid caching effects on the display use uncached memory. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
	dd93a9f Browse files » video: stm: code buswidth in platform data as decimal ... Instead of putting hardware specific bit masks in platform_data just use the decimal interface width and encode this in the driver. This makes it easier to create the platform_data and helps device tree based implementations. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
	4598e92 Browse files » video: stm: copy platform_data to driver data ... Copy the individual fields of struct imx_fb_platformdata to the driver data rather than keeping a pointer to platform_data. This works better with device tree where no platform_data * is available. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
	3fc1964 Browse files » video: stm: remove unnecessary info function ... devinfo will show the information without the help of the driver anyway. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 6 Jul 2015
2015-06-12	16fd248 Browse files » video: stmfb: Add device tree support ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 12 Jun 2015
2015-01-05	df9879c Browse files » drivers: remove unnecessary mach/imx-regs.h include ... And replace the ones needed with the SoC specific header. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 5 Jan 2015
2014-03-29	297b0e4 Browse files » video: introduce struct display_timings ... And use it inside struct fb_info. This struct has the advantage that the supported modes can be passed around in a single pointer. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 29 Mar 2014
2013-09-10	6318cfb Browse files » video/stm: enable clock to get the display working ... else the clock is not enabled : ref_pix (rate 270000000, disabled) lcdif_sel (rate 270000000, disabled) lcdif_div (rate 33750000, disabled) lcdif (rate 33750000, disabled) lcdif_comp (rate 33750000, disabled) tested on i.MX28EVK. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Eric Bénard authored on 10 Sep 2013 Sascha Hauer committed on 10 Sep 2013
2013-09-10	f962ae4 Browse files » video/stm: don't fail when the pixel clock is properly set ... the check is wrong as when the clock rate is correctly set the function will return 0. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Eric Bénard authored on 10 Sep 2013 Sascha Hauer committed on 10 Sep 2013
2013-07-23	ca13a84 Browse files » ARM: MXS: introduce stmp device support ... MXS specific devices have some common infrastructure in the kernel known as STMP devices. We have the same in barebox, but with a mxs_ prefix instead of a stmp_ prefix. As some STMP devices are also found on i.MX6 move the common infrastructure out of MXS specific files and use the stmp_ prefix. This is done in preparation for i.MX6 NAND support. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 23 Jul 2013
2013-06-20	dd72e0c Browse files » video: stm: switch to clk support ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 20 Jun 2013
2013-05-30	73b0d22 Browse files » driver: Attach info callback to device, not to driver ... Since the info is device specific and not driver specific, attach the callback to the device. This makes it possible to have a info callback for a device which does not have a driver attached. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 30 May 2013
2013-02-13	6a25632 Browse files » Use new device_platform_driver() macro for drivers ... Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Alexander Shiyan authored on 12 Feb 2013 Sascha Hauer committed on 13 Feb 2013
2012-10-04	3c5327e Browse files » switch all platform_bus device/driver registering to platform_driver/device_register ... now register_driver and register_device are for bus only usage. Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD authored on 19 Sep 2012 Sascha Hauer committed on 4 Oct 2012
2011-09-22	3ee7877 Browse files » introduce io.h ... To allow for some generic io accessors introduce io.h and use this instead of asm/io.h throughout the tree. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 22 Sep 2011
2011-07-29	6147b6a Browse files » fb: switch to "struct resource" ... Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 29 Jul 2011
2011-01-21	286117d Browse files » fb i.MX23/28: Add the reset control of LCD ... Video controller of STM allow to control the reset bit of an external LCD controller. When reset_lcd is set, CTRL1_RESET bit is used to enable and disable LCD. Handle USE_LCD_RESET as a flag in imx_fb_platformdata. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Gregory CLEMENT authored on 21 Jan 2011 Sascha Hauer committed on 21 Jan 2011
2011-01-21	bd56e41 Browse files » ARM STM/i.MX: Add possibility to choose the bit per pixel for STM video driver ... When describing an new video interface, it is now possible to select the bit per pixel. If nothing is chosen 16bpp is selected by default. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Gregory CLEMENT authored on 4 Jan 2011 Sascha Hauer committed on 21 Jan 2011
2011-01-20	ca2cae2 Browse files » fb i.MX23/28: rename imx_fb_videomode to imx_fb_platformdata ... It's not a video mode, it contains video modes, so rename the struct to what it actually is. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 20 Jan 2011
2011-01-20	8e61335 Browse files » fb i.MX23/28: add platform data hook to enable backlight ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 20 Jan 2011
2011-01-19	cd735df Browse files » video stm/mx2x: allow to pass in fb memory from platform data ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 19 Jan 2011
2011-01-19	7b2e36e Browse files » video stm/mx2x: simplify memory allocation ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 19 Jan 2011
2010-12-21	85f47a9 Browse files » ARM STM/i.MX: Add video driver for i.MX23/i.MX28 ... Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Juergen Beisert authored on 20 Dec 2010 Sascha Hauer committed on 21 Dec 2010