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Date: Thu, 09 Nov 2017 11:13:54 +0200 From: Jani Nikula <jani.nikula@...ux.intel.com> To: "Gustavo A. R. Silva" <garsilva@...eddedor.com>, Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>, David Airlie <airlied@...ux.ie> Cc: intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, "Gustavo A. R. Silva" <garsilva@...eddedor.com>, Chris Wilson <chris@...is-wilson.co.uk> Subject: Re: [PATCH] drm/i915/intel_sdvo: mark expected switch fall-throughs On Thu, 09 Nov 2017, Jani Nikula <jani.nikula@...ux.intel.com> wrote: > On Wed, 08 Nov 2017, "Gustavo A. R. Silva" <garsilva@...eddedor.com> wrote: >> In preparation to enabling -Wimplicit-fallthrough, mark switch cases >> where we are expecting to fall through. >> >> Addresses-Coverity-ID: 141432 >> Addresses-Coverity-ID: 141433 >> Addresses-Coverity-ID: 141434 >> Addresses-Coverity-ID: 141435 >> Addresses-Coverity-ID: 141436 >> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com> > > Acked-by: Jani Nikula <jani.nikula@...el.com> More explicitly, the patch looks good, but I'll give others the chance to chime in before merging. In particular Chris has been doing plenty of warning fixes lately. BR, Jani. > >> --- >> drivers/gpu/drm/i915/intel_sdvo.c | 11 ++++++----- >> 1 file changed, 6 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c >> index 7437944..921e372 100644 >> --- a/drivers/gpu/drm/i915/intel_sdvo.c >> +++ b/drivers/gpu/drm/i915/intel_sdvo.c >> @@ -1327,6 +1327,7 @@ static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder, >> switch (crtc_state->pixel_multiplier) { >> default: >> WARN(1, "unknown pixel multiplier specified\n"); >> + /* fall through */ >> case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break; >> case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break; >> case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break; >> @@ -2274,15 +2275,15 @@ intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo) >> */ >> switch (sdvo->controlled_output) { >> case SDVO_OUTPUT_LVDS1: >> - mask |= SDVO_OUTPUT_LVDS1; >> + mask |= SDVO_OUTPUT_LVDS1; /* fall through */ >> case SDVO_OUTPUT_LVDS0: >> - mask |= SDVO_OUTPUT_LVDS0; >> + mask |= SDVO_OUTPUT_LVDS0; /* fall through */ >> case SDVO_OUTPUT_TMDS1: >> - mask |= SDVO_OUTPUT_TMDS1; >> + mask |= SDVO_OUTPUT_TMDS1; /* fall through */ >> case SDVO_OUTPUT_TMDS0: >> - mask |= SDVO_OUTPUT_TMDS0; >> + mask |= SDVO_OUTPUT_TMDS0; /* fall through */ >> case SDVO_OUTPUT_RGB1: >> - mask |= SDVO_OUTPUT_RGB1; >> + mask |= SDVO_OUTPUT_RGB1; /* fall through */ >> case SDVO_OUTPUT_RGB0: >> mask |= SDVO_OUTPUT_RGB0; >> break; -- Jani Nikula, Intel Open Source Technology Center
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