From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anatolij Gustschin Date: Wed, 30 Oct 2013 10:07:49 +0100 Subject: [U-Boot] [PATCH] video: ipu_disp: Fix clock polarity logic In-Reply-To: <1383068781-9299-1-git-send-email-fabio.estevam@freescale.com> References: <1383068781-9299-1-git-send-email-fabio.estevam@freescale.com> Message-ID: <20131030100749.4d0fac4f@crub> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Tue, 29 Oct 2013 15:46:21 -0200 Fabio Estevam wrote: > Currently the HDMI splash screen image quality on mx6solo does not show a > very stable image. > > By comparing the IPU driver from U-boot with the one from FSL 4.1.0 BSP, > we can see that there is an inverted logic for setting the DI_GEN_POL_CLK bit. > > From FSL BSP [1] we have: > > if (!sig.clk_pol) > di_gen |= DI_GEN_POLARITY_DISP_CLK; > > Applying the same logic into U-boot fixes the HDMI image stability. > > [1] git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/tree/drivers/mxc/ipu3/ipu_disp.c?h=imx_3.0.35_4.1.0 > > Signed-off-by: Fabio Estevam > --- > drivers/video/ipu_disp.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) applied to u-boot-video/master. Thanks, Anatolij