merged. Bruce
In message: [linux-yocto][v6.1/standard/preempt-rt/nxp-sdk-6.1/nxp-soc & v6.1/standard/nxp-sdk-6.1/nxp-soc][PATCH 1/2] LF-8851: dmaengine: imx-sdma: sdma driver code optimization on 17/07/2023 Xiaolei Wang wrote: > From: Joy Zou <joy....@nxp.com> > > commit e708cbc250efab668507628d49bfec578b94f3ed from > https://github.com/nxp-imx/linux-imx.git lf-6.1.y > > The bluetooth starts to use sdma before sdma driver initialization done. > It will cause NULL pointer access. > > This patch adds sdma is_on check in order to avoid accessing NULL pointer. > > Reviewed-by: Shengjiu Wang <shengjiu.w...@nxp.com> > Signed-off-by: Joy Zou <joy....@nxp.com> > Signed-off-by: Xiaolei Wang <xiaolei.w...@windriver.com> > --- > drivers/dma/imx-sdma.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c > index a5d5aa7b70ce..97269f6d5eec 100644 > --- a/drivers/dma/imx-sdma.c > +++ b/drivers/dma/imx-sdma.c > @@ -2125,8 +2125,8 @@ static int sdma_config_write(struct dma_chan *chan, > sdmac->watermark_level = 0; > sdma_get_pc(sdmac, sdmac->peripheral_type); > > - if (!sdmac->sdma->fw_loaded && sdmac->is_ram_script) { > - dev_warn_once(sdmac->sdma->dev, "sdma firmware not ready!\n"); > + if (!sdmac->sdma->is_on || (!sdmac->sdma->fw_loaded && > sdmac->is_ram_script)) { > + dev_warn_once(sdmac->sdma->dev, "sdma or sdma firmware not > ready!\n"); > return -EPERM; > } > > -- > 2.25.1 > In message: [linux-yocto][v6.1/standard/preempt-rt/nxp-sdk-6.1/nxp-soc & v6.1/standard/nxp-sdk-6.1/nxp-soc][PATCH 2/2] drm/bridge: adv7533: Limit supported clocks on 17/07/2023 Xiaolei Wang wrote: > Refer to commit 323751dadfbe("MLK-21958-13: drm/bridge: adv7511: Limit > supported clocks") > Add Limit supported clocks for adv7533, Some modes are not working with this > converter. > This will cause hdmi link down, so add this workround patch to solve this > problem. > > Signed-off-by: Xiaolei Wang <xiaolei.w...@windriver.com> > --- > drivers/gpu/drm/bridge/adv7511/adv7533.c | 31 ++++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c > b/drivers/gpu/drm/bridge/adv7511/adv7533.c > index 7316aa092f9b..b09ceb994123 100644 > --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c > +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c > @@ -24,6 +24,26 @@ static const struct reg_sequence > adv7533_cec_fixed_registers[] = { > { 0x05, 0xc8 }, > }; > > +/* > + * TODO: Currently, filter-out unsupported modes by their clocks. > + * Need to find a better way to do this. > + * These are the pixel clocks that the converter can handle successfully. > + */ > + > +static const int valid_clocks[] = { > + 148500, > + 135000, > + 132000, > + 119000, > + 108000, > + 78750, > + 74250, > + 65000, > + 49500, > + 40000, > + 31500, > +}; > + > static void adv7511_dsi_config_timing_gen(struct adv7511 *adv) > { > struct drm_display_mode *mode = &adv->curr_mode; > @@ -136,6 +156,8 @@ enum drm_mode_status adv7533_mode_valid(struct adv7511 > *adv, > unsigned long max_lane_freq; > struct mipi_dsi_device *dsi = adv->dsi; > u8 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format); > + size_t i, num_modes = ARRAY_SIZE(valid_clocks); > + bool clock_ok = false; > > /* Check max clock for either 7533 or 7535 */ > if (mode->clock > (adv->type == ADV7533 ? 80000 : 148500)) > @@ -147,6 +169,15 @@ enum drm_mode_status adv7533_mode_valid(struct adv7511 > *adv, > if (mode->clock * bpp > max_lane_freq * adv->num_dsi_lanes) > return MODE_CLOCK_HIGH; > > + for (i = 0; i < num_modes; i++) > + if (mode->clock == valid_clocks[i]) { > + clock_ok = true; > + break; > + } > + > + if (!clock_ok) > + return MODE_NOCLOCK; > + > return MODE_OK; > } > > -- > 2.25.1 >
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