Messages in this thread Patch in this message | | | Date | Sun, 28 Aug 2022 19:54:52 +0300 | From | Laurent Pinchart <> | Subject | Re: [pinchartl-media:drm/du/next 13/14] drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:614:6: warning: no previous prototype for function 'rcar_mipi_dsi_pclk_enable' |
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Hi Tomi,
On Sun, Aug 28, 2022 at 08:52:39PM +0800, kernel test robot wrote: > tree: git://linuxtv.org/pinchartl/media.git drm/du/next > head: 1a1ef49313becc3127e3bd2b6cdb27e5fc54f761 > commit: 81c238208c6accde5592851b101986b8b91ec859 [13/14] drm: rcar-du: Fix DSI enable & disable sequence > config: riscv-randconfig-c006-20220828 (https://download.01.org/0day-ci/archive/20220828/202208282000.MtTNOyOx-lkp@intel.com/config) > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project a2100daf12fb980a29fd1a9c85ccf8eaaaf79730) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install riscv cross compiling tool for clang build > # apt-get install binutils-riscv-linux-gnu > git remote add pinchartl-media git://linuxtv.org/pinchartl/media.git > git fetch --no-tags pinchartl-media drm/du/next > git checkout 81c238208c6accde5592851b101986b8b91ec859 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/gpu/drm/rcar-du/ > > If you fix the issue, kindly add following tag where applicable > Reported-by: kernel test robot <lkp@intel.com> > > All warnings (new ones prefixed by >>): > > >> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:614:6: warning: no previous prototype for function 'rcar_mipi_dsi_pclk_enable' [-Wmissing-prototypes] > void rcar_mipi_dsi_pclk_enable(struct drm_bridge *bridge, > ^ > drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:614:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > void rcar_mipi_dsi_pclk_enable(struct drm_bridge *bridge, > ^ > static > >> drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:653:6: warning: no previous prototype for function 'rcar_mipi_dsi_pclk_disable' [-Wmissing-prototypes] > void rcar_mipi_dsi_pclk_disable(struct drm_bridge *bridge) > ^ > drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c:653:1: note: declare 'static' if the function is not intended to be used outside of this translation unit > void rcar_mipi_dsi_pclk_disable(struct drm_bridge *bridge) > ^ > static > 2 warnings generated.
I'll squash the following fix in "drm: rcar-du: Fix DSI enable & disable sequence":
diff --git a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c index 90128d5e3d17..a7f2b7f66a17 100644 --- a/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c +++ b/drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c @@ -25,6 +25,7 @@ #include <drm/drm_panel.h> #include <drm/drm_probe_helper.h>
+#include "rcar_mipi_dsi.h" #include "rcar_mipi_dsi_regs.h"
struct rcar_mipi_dsi { > vim +/rcar_mipi_dsi_pclk_enable +614 drivers/gpu/drm/rcar-du/rcar_mipi_dsi.c > > 613 > > 614 void rcar_mipi_dsi_pclk_enable(struct drm_bridge *bridge, > 615 struct drm_atomic_state *state) > 616 { > 617 struct rcar_mipi_dsi *dsi = bridge_to_rcar_mipi_dsi(bridge); > 618 const struct drm_display_mode *mode; > 619 struct drm_connector *connector; > 620 struct drm_crtc *crtc; > 621 int ret; > 622 > 623 connector = drm_atomic_get_new_connector_for_encoder(state, > 624 bridge->encoder); > 625 crtc = drm_atomic_get_new_connector_state(state, connector)->crtc; > 626 mode = &drm_atomic_get_new_crtc_state(state, crtc)->adjusted_mode; > 627 > 628 ret = rcar_mipi_dsi_clk_enable(dsi); > 629 if (ret < 0) { > 630 dev_err(dsi->dev, "failed to enable DSI clocks\n"); > 631 return; > 632 } > 633 > 634 ret = rcar_mipi_dsi_startup(dsi, mode); > 635 if (ret < 0) > 636 goto err_dsi_startup; > 637 > 638 rcar_mipi_dsi_set_display_timing(dsi, mode); > 639 > 640 ret = rcar_mipi_dsi_start_hs_clock(dsi); > 641 if (ret < 0) > 642 goto err_dsi_start_hs; > 643 > 644 return; > 645 > 646 err_dsi_start_hs: > 647 rcar_mipi_dsi_shutdown(dsi); > 648 err_dsi_startup: > 649 rcar_mipi_dsi_clk_disable(dsi); > 650 } > 651 EXPORT_SYMBOL_GPL(rcar_mipi_dsi_pclk_enable); > 652 > > 653 void rcar_mipi_dsi_pclk_disable(struct drm_bridge *bridge) > 654 { > 655 struct rcar_mipi_dsi *dsi = bridge_to_rcar_mipi_dsi(bridge); > 656 > 657 rcar_mipi_dsi_shutdown(dsi); > 658 rcar_mipi_dsi_clk_disable(dsi); > 659 } > 660 EXPORT_SYMBOL_GPL(rcar_mipi_dsi_pclk_disable); > 661
-- Regards,
Laurent Pinchart
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