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Commit f0d759f0 authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Jani Nikula
Browse files

drm/i915: Mark expected switch fall-throughs 



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
Addresses-Coverity-ID: 1357360
Addresses-Coverity-ID: 1357403
Addresses-Coverity-ID: 1357433
Addresses-Coverity-ID: 1392622
Addresses-Coverity-ID: 1415273
Addresses-Coverity-ID: 1435752
Addresses-Coverity-ID: 1441500
Addresses-Coverity-ID: 1454596
Signed-off-by: default avatarGustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180628223541.GA17665@embeddedor.com
parent 27efd256

drivers/gpu/drm/i915/i915_gem.c

+1 −0
Original line number Diff line number Diff line
@@ -2120,6 +2120,7 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf) 
		 */

		if (!i915_terminally_wedged(&dev_priv->gpu_error))

			return VM_FAULT_SIGBUS;

		/* else: fall through */

	case -EAGAIN:

		/*

		 * EAGAIN means the gpu is hung and we'll wait for the error

drivers/gpu/drm/i915/i915_gem_stolen.c

+1 −0
Original line number Diff line number Diff line
@@ -254,6 +254,7 @@ static void vlv_get_stolen_reserved(struct drm_i915_private *dev_priv, 
	switch (reg_val & GEN7_STOLEN_RESERVED_SIZE_MASK) {

	default:

		MISSING_CASE(reg_val & GEN7_STOLEN_RESERVED_SIZE_MASK);

		/* fall through */

	case GEN7_STOLEN_RESERVED_1M:

		*size = 1024 * 1024;

		break;

drivers/gpu/drm/i915/intel_cdclk.c

+5 −0
Original line number Diff line number Diff line
@@ -316,6 +316,7 @@ static void pnv_get_cdclk(struct drm_i915_private *dev_priv, 
		break;

	default:

		DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc);

		/* fall through */

	case GC_DISPLAY_CLOCK_133_MHZ_PNV:

		cdclk_state->cdclk = 133333;

		break;
@@ -1797,6 +1798,7 @@ static int icl_calc_cdclk(int min_cdclk, unsigned int ref) 
	switch (ref) {

	default:

		MISSING_CASE(ref);

		/* fall through */

	case 24000:

		ranges = ranges_24;

		break;
@@ -1824,6 +1826,7 @@ static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk) 
	switch (cdclk) {

	default:

		MISSING_CASE(cdclk);

		/* fall through */

	case 307200:

	case 556800:

	case 652800:
@@ -1896,6 +1899,7 @@ static u8 icl_calc_voltage_level(int cdclk) 
		return 1;

	default:

		MISSING_CASE(cdclk);

		/* fall through */

	case 652800:

	case 648000:

		return 2;
@@ -1913,6 +1917,7 @@ static void icl_get_cdclk(struct drm_i915_private *dev_priv, 
	switch (val & ICL_DSSM_CDCLK_PLL_REFCLK_MASK) {

	default:

		MISSING_CASE(val);

		/* fall through */

	case ICL_DSSM_CDCLK_PLL_REFCLK_24MHz:

		cdclk_state->ref = 24000;

		break;

drivers/gpu/drm/i915/intel_ddi.c

+1 −0
Original line number Diff line number Diff line
@@ -1069,6 +1069,7 @@ static uint32_t icl_pll_to_ddi_pll_sel(struct intel_encoder *encoder, 
	switch (id) {

	default:

		MISSING_CASE(id);

		/* fall through */

	case DPLL_ID_ICL_DPLL0:

	case DPLL_ID_ICL_DPLL1:

		return DDI_CLK_SEL_NONE;

drivers/gpu/drm/i915/intel_display.c

+2 −0
Original line number Diff line number Diff line
@@ -9360,6 +9360,7 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc, 
		switch (tmp & TRANS_DDI_EDP_INPUT_MASK) {

		default:

			WARN(1, "unknown pipe linked to edp transcoder\n");

			/* fall through */

		case TRANS_DDI_EDP_INPUT_A_ONOFF:

		case TRANS_DDI_EDP_INPUT_A_ON:

			trans_edp_pipe = PIPE_A;
@@ -11024,6 +11025,7 @@ static bool check_digital_port_conflicts(struct drm_atomic_state *state) 
		case INTEL_OUTPUT_DDI:

			if (WARN_ON(!HAS_DDI(to_i915(dev))))

				break;

			/* else: fall through */

		case INTEL_OUTPUT_DP:

		case INTEL_OUTPUT_HDMI:

		case INTEL_OUTPUT_EDP: